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The Best 80 Percent Lower Receiver of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 80 Percent Lower Receiver of 2023. Check our ranking below.

2,960 Reviews Scanned

Rank No. #1
UUQ C4-12X50 Rifle Scope Dual Illuminated Reticle W/Laser Sight and Holographic Dot Reflex Sight (Red Laser)
  • [VERSATILE] Fully coated optics and Fast Focus Eyepiece/Eyebell are well suited for wide range shooting, with high optical clarity at 4-12 times magnification and a 50mm objective lens, allowing for quick acquisition of close quarter and fast-moving targets.
  • [HIGHLY ADAPTIVE] The main scope has Red and Green illuminated range finder reticles in 5 brightness levels, easier shooting in dark environment. Picatinny mount easily mountable to any 22mm rails (Picatinny or Weaver). Windage and elevation adjustments with 1/4 MOA audible-click stops and fingertip turrets.
  • [COMPETITIVE] New design of electronic control system allows you easier and quicker setup the dot sight, reducing much hand work. High resolution image, unlimited eye relief and wide field of view competing high end reflex sight. DETACHABLE Red laser can reach over 100m.
  • [ROBUST] Made of T6061 Aluminum, 1200G shockproof and 100% waterproof & fogproof test before release. Dry nitrogen is filled.
  • [HUSTLE FREE] GET IT WITH CONFIDENCE- TRUST THE EXPERTS: Being so sure about the great quality and performance of this amazing Tactical Rifle Scope, UUQ offer you great customer service. With nothing to worry about, order for you or for your hunting aficionado friends today!
Rank No. #2
Maravillas musicales!
  • Amazon Prime Video (Video on Demand)
  • Ken Diego (Director) - Annie Evans (Writer) - Sesame Workshop (Producer)
  • (Playback Language)
Rank No. #3
60W 12000RPM Mini Milling Machine Mini Metal Lathe DIY Miniature Milling Machine Miller Multifunction Worktable Power Milling Machines 100-240V
  • With 0.02mm accuracy of scale lines, and the hand wheel increases the precision of workpiece machining.
  • Main Parts: Headstock, long/short machine bed, big/small slider, motor blade, connection block, gear etc. All of the parts are made of metal.
  • Maximum motor power is 144W by using more powerful motor. Make sure that you pick up the right size.
  • Milling cutter with two cutting edges, is dangerous, so people should be guided by experts when using it.
  • Motor case and headstock are jointed without any complex installation and assembly steps.
Rank No. #4
IROK FE75Pro Hot Swappable Mechanical Keyboard, Wireless TKL 75% RGB Customizable Backlit Gaming Keyboard, Bluetooth/2.4G/Wired for Windows PC Gamers- Black/Red
  • 【NOTE】-Short press [FN+ESC] could open IROK Driver directly, and the driver download page will open automatically if you are first time to use the key combination
  • 【Hot-Swappable Switch】- High-quality mechanical switch with hot swappable function is making sure that the feeling of keyboard can be customized
  • 【Comfortable Ergonomic Ladder Keycaps】- ABS keycap has better lightening effects while ergonomic stepped keycap and two-stage support leg provide comfortable typing experience. In order to maintain the overall aesthetics of the keyboard, the keycaps are made of ABS opaque keycaps, but do not affect the normal use.
  • 【RGB Customizable Backlit】- There are 16.8 million true color RGB lighting effects, which can customize a variety of lighting effects through the IROK Driver. High-performance processor is quickly, faster and more accurate
  • 【Full anti-ghosting keyboard】 All 81 keys are no conflict, white, blue mash up design, keyboards take soundproof silicone pad on both the bottom edges of the plate and PCBA. The top-grade soundproof silicone pad of the colorful mechanical keyboards absorbs the impact of every keypress, which creates a flexible, softer, and cleaner typing
Rank No. #5
!Puedes preguntar!
  • Amazon Prime Video (Video on Demand)
  • Ken Diego (Director) - Lou Berger (Writer) - Sesame Workshop (Producer)
  • (Playback Language)
SaleRank No. #6
Votatu M4L-R Red Laser Sight Compatible with M-Lok Rail Surface, Ultra Low-Profile Tactical Rifle Compact Red Dot Beam with Strobe Function Magnetic Rechargeable
  • Machined from high-strength aircraft aluminum and anodized with Mil-Spec finish. Keeps zero and stand up to recoil than most other laser gun sight.
  • IIIA Class Red Laser Power Output ≤5mw, features 650nm wavelength. Highly visible red laser reaches 50 meters during day and up to 1000 meters at night.
  • Ultra-lightweight and super low-profile design, compatible with M-Lok rail surface. Allows to attach to any surfaces of the rail without other rail adapter. Easy to operate for both left and right handed.
  • Built-in magnetic USB rechargeable feature. Just stick the supplied USB charging cable to the charging port without any removing operation, easy and safe.
  • 1.5 Hours to get fully charged and provides 8 hours continuous use. Elevation and Windage adjustable by provided wrench.
Rank No. #7
Cathe Friedrich STS Total Body Workout Strength Training DVD - Use This Weightlifting DVD To Build, Sculpt and Tone Your Leg, Hips, Thighs, Butt, Glutes, Back, Chest, Arms, and Shoulders
  • Cathe Friedrich's Total Body Strength Training DVD Program For Women & Men - Designed to work all of your upper and lower body muscles in just one heavy weight total body workout DVD
  • If It Doesn't Challenge You It Doesn't Change You - You'll be using heavy weights that are about 60 to 80 percent of your one-rep max, but if you don't feel like doing the math, just make sure that your selected weight for each exercise challenges you so much that you are fighting to finish your last couple of reps in every set
  • STS Total Body Weightlifting Exercise DVD - Features both compound and isolation exercises - but to keep the workout as short as possible, the greatest emphasis has been put on the multi-joint compound exercises and the isolation exercises have been kept to a minimum. But don't be fooled, by the word "minimum" because everything about this full body weightlifting workout for women and men is maximum! - Maximum intensity. Maximum variety. And maximum results!
  • Muscle Burns Fat - Strength training is an excellent edition to any weight loss or fitness regimen. As we build lean muscle we burn more calories, shed unwanted body fat, and transform our bodies
  • Includes 8 Strength Training Workout Premixes - 8 workout premixes, including upper body and lower body only options, have been included to give you more workout variety and additional workout length options
Rank No. #8
RK ROYAL KLUDGE RK61 Plus Wireless Mechanical Keyboard, 60% Gaming Keyboard with Bluetooth/2.4G/Wired, Hot Swappable RGB PC Keyboards with USB Hub for Win/Mac, Silence Linear SkyCyan Switches
  • For double typing issue-firmware address: drive.google.com/file/d/1whgKiy-Dxjz9nPhxZmt_Ijy3P4rIdFHv/view
  • 🎊【Triple Modes Wireless Mechanical Keyboard 】Supported 2.4G / Bluetooth 5.0/ USB wired three connection modes, the RGB gaming keyboard could freely connect with laptop, desktop, PC computer, tablet and etc. Long standby with 1850 mAh rechargeable battery support the bluetooth keyboard for hours working
  • 🎁【60 Percent Compact Layout & Extended USB Hub】The RK61 Plus wireless gaming keyboard delivers big features compressed from large full keys keyboard into a 60% form-factor and free up more room for your mouse. Plus with extended USB hub port for easy connection to more USB devices
  • 🎊【Quiet Hot Swappable Keyboard】Adopted with lastest SkyCyan switches, the 60 percent keyboard could bring you a quieter and smoother typing experience than traditional linear switches. The hot swappable gaming keyboard is compatible with most of MX-similar mechanical switches freely (including Gateron, Cherry, etc.). Easily swap out the keyboard switches, and custom your keyboards depending upon your preference
  • 🎁【Wide Compatibility】With 3 modes connection is widely compatible with Windows/ MacOS/ Android/Ipad. What's more, the wireless keyboard can connect with up to 3 devices via Bluetooth. Quickly switch to your target device through Fn+Q/W/E which effectively meet the needs of work or game scenarios on different devices
Rank No. #9
Seneca Big Bore 44 909 Light Hunter PCP Air Rifle.45 Caliber, 500-Cubic-Centimeter Tank
  • PCP AIR RIFLE: This single-shot pellet gun gives you incredible power and aim for the hunting scene. With a .45 caliber, a barrel length of 21.65", and a max velocity of 730 fps, this quality air rifle is ideal for hunting small to medium game!
  • FIRING MECHANISM: Our Seneca PCP air gun fires by using bolt action, and it gives you plenty of shots with the 3,000 psi max-fill pressure. The 2 power levels and the built-in manometer make it easy to use this air rifle anytime.
  • HUNTING AIR RIFLE: This high-powered PCP air rifle has dual air chambers with a total capacity of 500 cc, a fixed front sight, and an adjustable and removable rear sight. The 11-millimeter scope rail works great for compact scopes.
  • QUALITY MATERIALS: Our precharged pneumatic rifle features a hardwood Monte Carlo stock with a checkered forearm and grip. This PCP rifle has a rifled barrel that measures 0.4516" to 0.4567" in diameter.
  • SAFE & SECURE LOADING: Always be sure to use the manual safety before loading the barrel with your ammunition. This powerful rifle has a raised right-hand cheekpiece and a quick-disconnect Foster male fitting for an easy and safe shooting experience.
Rank No. #10
Tipton Ultra Gun Vise with Heavy-Duty, Customizable Design and Non-Marring Material for Cleaning, Gunsmithing and Maintenance
  • DIMENSIONS: 32.5 inch L x 11 inch W x 10.5 inch
  • EASE OF USE: All 4 feet are non-slip and independently adjustable, the tool and accessory trays are removable and the entire vise mounts directly to the benchtop (hardware not included)
  • VERSATILE: Ball and socket articulating clamp pads allow for the pads to adapt to any firearm’s surface with height and length adjustable front and rear clamps
  • NON-DESTRUCTIVE: Non marring, glass filled nylon vise/clamp construction
  • DURABLE: Features a steel tube frame structure
Rank No. #11
Recover Tactical Slide Rack Assist Compatible with The Glock - No Modifications to Your Pistol Required - Get Extra Grip While Racking The Slide (Glock 17/19/22/23/24/35)
  • MAKE SURE YOU SELECT THE CORRECT VERSION WHEN CHECKING OUT
  • No need for a gunsmith, goes on in under 3 minutes
  • Will not damage your firearm
  • Still holster compatible
  • Value priced
Rank No. #13
Feyachi Reflex Sight - Adjustable Reticle (4 Styles) Both Red and Green in one Sight!
  • Reticle allows for 4 different styles. Dot, Circle/Dot, Crosshair/Dot, Crosshair/Circle/Dot combinations. All in one sight!
  • A 33mm lens provides quick target acquisition. Wide field of view to maintain situational awareness.
  • Very sturdy and secure rail mounting system. Will not come loose, made to last.
  • Parallax corrected & unlimited eye-relief, where the dot goes, so does the bullet!
  • Ultralight, waterproof and shockproof - Powered one 3V lithium battery (included).
Rank No. #14
Pinty 4-in-1 Rifle Scope Combo, 3-9x32 Rangefinder Scope, Red & Green Dot Sight, Green Laser, 14 Slots Riser
  • 4 in 1, comes with a rangefinder riflescope, a green laser sight, a red/green dot sight and a 14 slots riser everything you will ever need.
  • Magnifications from 3X up to 9X, green/red illuminations with 5 brightness adjustments for both the riflescope and electronic unlimited brightness control for the dot sight, 4 reticle patterns also available for the red/green dot sight.
  • Red/green dot reflex sight with bottom switch - highly accurate optic and substitute for overpriced holographic clear, high resolution image unlimited eye relief and wide field of view.
  • Picatinny mount easily mountable to any 22mm rails; Multi-coated optics with O-ring sealing and nitrogen filling ensures 100% water and fog-proof.
  • Unsurpassed light transmission, uncompromising mechanical performance and clarity.
Rank No. #15
ZJFKSDYX C87 Wireless Gaming Keyboard and Mouse Combo, LED Backlit Rechargeable 3800mAh Battery, Mechanical Feel Anti-ghosting Keyboard + 7D 3200DPI Mice for PC Gamer (W/B)
  • 【High-performance 2.4G Wireless Keyboard and Mouse】Are you looking for a wireless keyboard and mouse combo that can perfectly balance work and games? ZJFKSDYX C87 rechargeable wireless gaming keyboard and mouse combo will be your best choice. 2.4G high-speed and stable transmission, ensure that it can easily deal with even the most intense battles. Note: The USB receiver is in the bottom of the mouse.
  • 【Rechargeable & Long Battery Life】The keyboard is equipped with a 3000 mAh battery, and the mouse is equipped with an 800 mAh battery. The long battery life allows you to use them continuously for 8 hours with light. The keyboard and mouse are equipped with smart energy-saving functions. If there is no operation within 2 minutes, they will automatically go to sleep, press any key to wake them up. Please charge 8 hours before using.
  • 【Light Up Keyboard and Mouse】The keyboard has built-in three groups of rainbow backlight effects, supports 2 breathing modes, 3 static modes, and 4 brightness levels. The luminous design of Letters, logo, gaps and surroundings makes it the best light up wireless keyboard on the market (Note: There is no surrounding light in the right top corner due to the indicator light). The mouse has a built-in 7-color cyclic gradual lighting effect.
  • 【Durable Ergonomic Keyboard and Mouse】The keys have a 10 000 000 keystrokes lifetime, so you can hold on to it for the next decade! ABS keycaps adopt two-color injection molding process, the letter of characters never fade. Thick and firm frosted metal cover, long service life, and never deforms. The mouse fits the palm perfectly, and the anti-sweat and non-slip design gives you complete control.
  • 【Plug and Play 】The keyboard and mouse share a USB receiver, and the code has been completed by default. You only need to insert the receiver and turn on the keyboard and mouse to use it. (Note: If the connection is lost for any reason, you only need to reset the code pairing. Or if it cannot be used for any reason, please contact us in time, we will try our best to solve it.)
Rank No. #16
GunSkins Magwell Skin - Premium Vinyl Decal - Easy to Install and Fits AR-15 Lower Receivers - 100% Waterproof Non-Reflective Matte Finish - Made in USA - GS Skull Black
  • FITS ANY AR-15 LOWER RECEIVER – Magwell Skins conform to any shape. Designed to fit mil-spec lower receivers on compatible AR-15 rifles and M4 carbines. The kit includes pieces for the left and right side of a single magwell.
  • EASY TO INSTALL VINYL WRAP – Do it yourself installation means you have creative control. Choose how much or how little to wrap with the help of our one-of-a-kind precut templates and installation videos. Use a heat gun to conform the vinyl to the surface and a hobby knife to trim to fit. Install in just a few hours. No cure time, ready for immediate use!
  • WATERPROOF NON-REFLECTIVE MATTE FINISH – GunSkins are made from high-performance, premium vinyl. This automotive grade vinyl is 100% waterproof and non-porous. This is perfect for hunting waterfowl when you are knee deep among the reeds. No rain, no rust, no worries!
  • REMOVEABLE AND LEAVES BEHIND NO RESIDUE – This non-permanent finish will not alter the resell value of your gun. If you need to take it off, simply add heat and remove. The surface will be just as it was prior to installation. Switch patterns for different hunting seasons with ease!
  • LIFETIME WARRANTY – This GunSkins product has a Lifetime Warranty which covers normal use by the initial user of this product. This GunSkins product will be free of fading for the duration of the warranty period as long as initial user has the product correctly installed on a firearm, firearm accessory or other GunSkins approved application.
Rank No. #17
10 pcs 4-Flute End Mill Bits, AFUNTA 0.08" - 0.47" HSS CNC Straight Shank Drill Bits Cutter Tool Set for Wood Aluminum Steel Titanium
  • APPLICATION: Suitable for side milling, end milling, finish machining in carbon steel, alloy steel, die steel, tool steel, cast iron, and titanium.
  • HIGH PROCESSING EFFICIENCY: the edge of end mill bits is HARD and SHARP with TIAIN coating, process the heat treatment materials with high speed, reduce changing times and improve the production efficiency.
  • U-SHAPED GROOVE DESIGN, large front angle effectively reduces cutting resistance, sharp and durable, convenient for chip removal, further improve machining efficiency.
  • MATERIAL: high speed steel, high hardness, good wear resistance and durability.
  • 10 DIFFERENT KINDS OF SIZE end mills to meet your need, 2mm/0.08in,3mm/0.12in, 4mm/0.16in, 5mm/0.2in, 6mm/0.24in,7mm/0.27in, 8mm/0.31in, 9mm/0.35in,10mm/0.39in, 12mm/0.47in
SaleRank No. #18
Real Avid Pivot Pin Tool (AVAR15PPT), Red
  • Simplify the pivot pin installation process
  • Compatible with the pivot pin of any 223
  • Durable non-marring components you can trust on your favorite gun
  • Includes 3 components (detent plunger, clevis pin, and install tool) and directions for Use
  • Great addition to the tool kit of any new or experienced gun owner
SaleRank No. #19
BESTNULE Punch Set, Pin Punches, Punch Tool, Roll Pin Punch Set, Made of High Quality Metal Material Including Punches and Hammer, Mechanical Repair Tool, with Organizer Storage Box (with Bench Block)
  • 【Durable in Use】 Made of 40# chrome vanadium steel with special heat treatment. Ideal punch tool for jewelers, watchmakers, and carpenters. Used for machinery, vehicles, woodworking and craft repair. After many experiments, we found that the pin is the most easily damaged part of a whole set of our punch set, so we have made numerous modifications to provide you with excellent quality pin punches, so that you can avoid the abandonment of the whole set of punches due to the breakage of one pin.
  • 【All-IN-1 Set】Includes everything you need to get started and suitable for everyone, whether you're a novice or a veteran. This punch set includes 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 9/32" and 5/16". 2Pcs 3/8",15/64" plastic pin punches; 1 metal tweezers and 1 hammer with 4 detachable hammer heads; 4Pcs hollow end starter punch set including 1/16”,5/64”,3/32”,1/8”; 2 Pcs flat pin punches including 1/16" and 3/32"; 2 Pcs roll pin punches including 1/16" and 3/32"; 8Pcs carbon steel punches.
  • 【Detachable Hammer】 In use with a chrome-plated steel hammer. In addition, we added 4 replaceable hammer heads (1 brass, 1 chrome, 1 nylon in white and 1 rubber in black), so you can choose the right one for your needs. The hammer has a non-slip design, which can cooperate with you in the process of use can be better grip.
  • 【Bench Block】Special and durable surface finish to protect your precious from scratches while drifting and staking. Our bench block has a main spring removal groove; front sight staking groove; rear sight drift channel; the link pin removal "V" channel; hammer and sear pin removal holes; slide rail dressing round bottom channel; ejection port dressing channel. Great help for maintenance!
  • 【3D Test】We have assembled a dedicated team and professional staff to test the quality, durability, and performance of our products. Each punch and bench block has been professionally designed for industry and 3D simulation to test the performance. After many experiments we make sure the punch set you get can perform as it should. All punch tools are neatly stored in boxes that are clean and tidy for easy storage and portability. We pack our products as well as possible. This is our promise!
SaleRank No. #20
Genmitsu CNC 3018-PRO Router Kit GRBL Control 3 Axis Plastic Acrylic PCB PVC Wood Carving Milling Engraving Machine, XYZ Working Area 300x180x45mm
  • New Version: Genmitsu CNC 3018-PRO is an upgraded version of 3018. All components do not need to be positioned, which greatly reduces the difficulty of assembly and improves the working accuracy. The base height is raised to 4cm for better stability. Capable of cutting all types of plastics, soft aluminum, woods, acrylics, PVC, and PCB, the Genmitsu can be used on a wide range of projects and materials.
  • Upgraded Power Adapter: UL Approved and out-of-the-box support for the drop in 20,000rpm Spindle, no need to modify G-code to ramp up to full speed.
  • Controller Software: The Genmitsu 3018-PRO uses Grbl, a high-performance open-source software for controlling movement, and runs on Arduino. Its dependability and simplicity make GRBL an industry standard, so there’s no lack of support and resources available when you get stuck.
  • Optional Upgraded Parts: Super Size your 3018 CNC to a 3040 by getting a Genmitsu 3040 Y-Axis Extension Kit. The 3040 Aluminum Spoilboard and 3040 MDF Spoilboard for this extension kit are also available to buy.
  • Note: Assembly Instructions and User Guide are provided, please find at the Product Guides and Documents Section below and get everything you might need. If you get stuck, check out the SainSmart Resource Center (see at User Guide) or contact us with any questions that arise.

Last update on 2023-07-30 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best 80 Percent Lower Receiver?

Do you get stressed out thinking about shopping for a great 80 Percent Lower Receiver? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching 80 Percent Lower Receiver, which is why we have assembled a comprehensive list of the greatest 80 Percent Lower Receiver available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for 80 Percent Lower Receiver that you consider buying. Your questions might include the following:

  • Is it worth buying an 80 Percent Lower Receiver?
  • What benefits are there with buying an 80 Percent Lower Receiver?
  • What factors deserve consideration when shopping for an effective 80 Percent Lower Receiver?
  • Why is it crucial to invest in any 80 Percent Lower Receiver, much less the best one?
  • Which 80 Percent Lower Receiver are good in the current market?
  • Where can you find information like this about 80 Percent Lower Receiver?

We’re convinced that you likely have far more questions than just these regarding 80 Percent Lower Receiver, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for 80 Percent Lower Receiver, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible 80 Percent Lower Receiver. Make sure that you are only using trustworthy and credible websites and sources.

We provide an 80 Percent Lower Receiver buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available 80 Percent Lower Receiver currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of 80 Percent Lower Receiver has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an 80 Percent Lower Receiver?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your 80 Percent Lower Receiver.
  5. Customer Ratings: Number ratings grade 80 Percent Lower Receiver objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 80 Percent Lower Receiver.
  7. Product Quality: You don’t always get what you pay for with an 80 Percent Lower Receiver, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an 80 Percent Lower Receiver is should be an indication of how long it will work out for you.

We always remember that maintaining 80 Percent Lower Receiver information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding 80 Percent Lower Receiver is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

FAQ:

Q: Should I buy a 80% lower?

A: People like 80% lowers because it gives the real enthusiast a feeling of having achieved something special with their rifle. Gun owners like to tinker, and finishing off an 80% lower is technical enough to give the amateur gunsmith a good feeling about building their weapon.

Q: What exactly is a 80% receiver?

A: What is an 80% Receiver? The term “80% Receiver,” which is neither an accurate nor official term, refers to manufactured material that has not yet been turned into a firearm. Essentially, a frame or receiver that has not been finished and hasn’t crossed the line into being regulated as a firearm is sometimes called an “80% Receiver.”

Q: What is an AR 80% lower reciever?

A: An 80% Lower Receiver, sometimes called “80 lowers” or “a paperweight”, are AR-15, .308, or AR-9 lower receivers that are 80% finished in the machining process. There’s still a small amount of finishing to be done to make these products a legal firearm.

Q: What is an AR-15 80% lower?

A: An 80% lower receiver is nothing but a simple milled or forged piece of metal which looks like an AR-15 lower receiver but without the fire control group cavity. In simpler terms, it is an unfinished AR-15 lower receiver which requires the user to do some milling and drilling in order to make it functional.

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