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The Best 5.56 Headspace Gauge Set of 2023 – Reviewed and Top Rated

2,378 Reviews Scanned

Rank No. #1

Forster Products 5.56 NATO MIN and MAX Headspace Gage Set

5.56 NATO CHAMBER HEADSPACE GAGE: The proper use of Headspace Gages is the most reliable way to test rifle chamber length. The 5.56 NATO maximum chambering requires a slightly longer headspace than the commercial 223 cal. Rem.
GO/MINIMUM LENGTH: Corresponds to the minimum chamber dimensions. If a rifle closes on a GO gage, the chamber will accept ammunition that is made to SAAMI maximum specifications. The GO gage is essential for checking a newly-reamed chamber in order to ensure a tight, accurate, and safe chamber that will accept SAAMI maximum ammo. NATO Minimum rifle chamber gages check to see that the rifle will accept the longest (headspace dimension) NATO ammunition cases that are currently manufactured.
MAXIMUM LENGTH: The Forster NATO Maximum rifle chamber gage checks to see that the rifle does not have excessive headspace, which could lead to dangerous pressure problems. The NATO Maximum Headspace Gage measures 1.6455"
PRECISION MACHINED: Manufactured from top-quality, hardened steel and precision ground to ANSI and SAAMI tolerances. Headspace tolerance ground to a very exacting ±.00015. Each Headspace Gage thoroughly inspected with NIST-certified measurement tools to ensure the highest quality product.
MEASURING MEANINGFUL HEADSPACE: Properly speaking, and for safety purposes, one measures “headspace” as the difference between the length of a standard cartridge, as represented by a gage, and the gun’s actual chamber length , when the head of the cartridge is flush against the bolt face.

Rank No. #2

ShineUs 5.56 NATO MIN and MAX Headspace Gage Set

NATO MAX gauge checks for excessive headspace. If a rifle closes on a Maximum length gauge, its chamber is dangerously close to, or longer than, NATO's maximum chamber length.The chamber should not close on the MAX gauge.
NATO MIN rifle chamber gauge checks to see that the rifle will accept the longest (headspace dimension) NATO ammunition cases. The chamber should accept (close on) the Minimum
Ground to an exacting ±.00015" headspace tolerance
Precision Machined from hardened tool steel to last a lifetime of use.
5.56 NATO MIN is 223 Rem GO Headspace Gage

Rank No. #3

Forster Products Headspace Gage 5.56 NATO MAX

NATOMAX gage allows you to check for excessive headspace
Manufactured from top-quality, hardened steel and precision ground
Forster Headspace Gauges precision-machined from hardened steel
Checks NATO chambers

Rank No. #4

223 Remington Headspace Gauge Set GO - NO-GO - Field …

Forster Headspace Gauges precision-machined from hardened steel
Ground to a tolerance of ± 0.00015 in.
ISO9001
For use in 223 Remington chambers

Rank No. #5

Forster Products 223 Remington GO and NO-GO Headspace Gage Set

Forster Headspace Gauges precision-machined from hardened steel
Ground to a tolerance of ± 0.00015 in.
ISO9001
For use in 223 Remington chambers
Made in USA

Rank No. #6

308 Winchester Headspace Gauge Set GO and NO-GO

243 WIN: Use to check headspace of 243 Win., 260 Rem., 7mm-08, 308 Win., 338 Fed, & 358 Win.
RIMLESS CARTRIDGE HEADSPACE: The proper use of Headspace Gages is the most reliable way to test rifle chamber length. Headspace in a rimless cartridge is the distance between the bolt face and a datum line, determined by SAAMI, where the front of the cartridge rests on its shoulder when the bolt is closed.
NO-GO: Corresponds to the maximum headspace we recommend for gunsmiths’ chambering new bolt-action rifles. This is not a SAAMI-maximum measurement. If a rifle closes on a NO-GO gage, it may still be within SAAMI specifications, or it may have excessive headspace. To determine if there is excessive headspace, the chamber should then be checked with a FIELD gage. The NO-GO gage is a valuable tool for gunsmiths’ reaming new chambers, in order to ensure tight and accurate headspace
GO: Corresponds to the minimum chamber dimensions. If a rifle closes on a GO gage, the chamber will accept ammunition that is made to SAAMI maximum specifications. The GO gage is essential for checking a newly-reamed chamber in order to ensure a tight, accurate, and safe chamber that will accept SAAMI maximum ammo.
PRECISION MACHINED: Manufactured from top-quality, hardened steel and precision ground to ANSI and SAAMI tolerances. Headspace tolerance ground to a very exacting ±.00015. Each Headspace Gage thoroughly inspected with NIST-certified measurement tools to ensure the highest quality product.

Rank No. #7

Forster Products 6.5 Creedmoor Headspace Gauge Set GO and NO-GO

6 & 6.5 CREEDMOOR: Use to check headspace of 6 Creedmoor and 6.5 Creedmoor
RIMLESS CARTRIDGE HEADSPACE: The proper use of Headspace Gages is the most reliable way to test rifle chamber length. Headspace in a rimless cartridge is the distance between the bolt face and a datum line, determined by SAAMI, where the front of the cartridge rests on its shoulder when the bolt is closed.
NO-GO: Corresponds to the maximum headspace we recommend for gunsmiths’ chambering new bolt-action rifles. This is not a SAAMI-maximum measurement. If a rifle closes on a NO-GO gage, it may still be within SAAMI specifications, or it may have excessive headspace. To determine if there is excessive headspace, the chamber should then be checked with a FIELD gage. The NO-GO gage is a valuable tool for gunsmiths’ reaming new chambers, in order to ensure tight and accurate headspace
GO: Corresponds to the minimum chamber dimensions. If a rifle closes on a GO gage, the chamber will accept ammunition that is made to SAAMI maximum specifications. The GO gage is essential for checking a newly-reamed chamber in order to ensure a tight, accurate, and safe chamber that will accept SAAMI maximum ammo.
PRECISION MACHINED: Manufactured from top-quality, hardened steel and precision ground to ANSI and SAAMI tolerances. Headspace tolerance ground to a very exacting ±.00015. Each Headspace Gage thoroughly inspected with NIST-certified measurement tools to ensure the highest quality product.

SaleRank No. #8

Forster Products Sammi Dimensioned Headspace Gage, Rimless, Hardened Steel, Precision Ground, 6mm Creedmoor & 6.5mm Creedmoor, GO

6 & 6.5 CREEDMOOR: Use to check headspace of 6 Creedmoor and 6.5 Creedmoor
RIMLESS CARTRIDGE HEADSPACE: The proper use of Headspace Gages is the most reliable way to test rifle chamber length. Headspace in a rimless cartridge is the distance between the bolt face and a datum line, determined by SAAMI, where the front of the cartridge rests on its shoulder when the bolt is closed.
GO: Corresponds to the minimum chamber dimensions. If a rifle closes on a GO gage, the chamber will accept ammunition that is made to SAAMI maximum specifications. The GO gage is essential for checking a newly-reamed chamber in order to ensure a tight, accurate, and safe chamber that will accept SAAMI maximum ammo.
PRECISION MACHINED: Manufactured from top-quality, hardened steel and precision ground to ANSI and SAAMI tolerances. Headspace tolerance ground to a very exacting ±.00015. Each Headspace Gage thoroughly inspected with NIST-certified measurement tools to ensure the highest quality product.
MEASURING MEANINGFUL HEADSPACE: Properly speaking, and for safety purposes, one measures “headspace” as the difference between the length of a standard cartridge, as represented by a gage, and the gun’s actual chamber length , when the head of the cartridge is flush against the bolt face.

Rank No. #9

300 AAC Blackout Headspace Gauge Set GO and NO-GO

300 AAC BLACKOUT: Use to check headspace of 300 AAC Blackout
RIMLESS CARTRIDGE HEADSPACE: The proper use of Headspace Gages is the most reliable way to test rifle chamber length. Headspace in a rimless cartridge is the distance between the bolt face and a datum line, determined by SAAMI, where the front of the cartridge rests on its shoulder when the bolt is closed.
NO-GO: Corresponds to the maximum headspace we recommend for gunsmiths’ chambering new bolt-action rifles. This is not a SAAMI-maximum measurement. If a rifle closes on a NO-GO gage, it may still be within SAAMI specifications, or it may have excessive headspace. To determine if there is excessive headspace, the chamber should then be checked with a FIELD gage. The NO-GO gage is a valuable tool for gunsmiths’ reaming new chambers, in order to ensure tight and accurate headspace
GO: Corresponds to the minimum chamber dimensions. If a rifle closes on a GO gage, the chamber will accept ammunition that is made to SAAMI maximum specifications. The GO gage is essential for checking a newly-reamed chamber in order to ensure a tight, accurate, and safe chamber that will accept SAAMI maximum ammo.
PRECISION MACHINED: Manufactured from top-quality, hardened steel and precision ground to ANSI and SAAMI tolerances. Headspace tolerance ground to a very exacting ±.00015. Each Headspace Gage thoroughly inspected with NIST-certified measurement tools to ensure the highest quality product.

Rank No. #10

C1000 Overall Length Gauge Straight,Compatible with All autoloader, Lever-Action (Metal)

1.Increases accuracy
2.Regulates seating depth and the resulting "jump" to the rifling
3.Compatible with all autoloader, lever-action, or pump-action rifles.
4.Also Compatible with all bolt-action and single-shot firearms.

Rank No. #11

Z.P.V. Proizvodnja 30-06 Springfield Headspace Gauge Set GO and NO-GO

Set includes a GO and a NO-GO gauge
Tough Steel Construction For Years of Use
Precision-machined
Made by ZPV of Serbia

SaleRank No. #12

MidTen Bore Sight Cal Red Dot Boresighter for 223 5.56mm Rem Gauge with Two Sets of Batteries

Class IIIA laser, less than 5mW
Made to fit the .223 caliber, caliber specific.
Comes with 2 sets UPDATED batteries (6 AG3 batteries) which can last one and half an hour.
Easy to sit perfectly in the bore. Sturdy brass construction. Fast zeroing the optics.
High accuracy, sighting range of the bore sight is 15 to 100 yards.

SaleRank No. #13

Lyman 7832323 Reloading 223 Case Length/Headspace Gauge, Gray

Country Of Origin: China
Color Name:Gray
Color Name: Silver
Country Of Origin: USA

SaleRank No. #14

Z.P.V. Proizvodnja 308 Winchester Headspace Gauge Set GO and NO-GO

Set includes a GO and a NO-GO gauge
Tough Steel Construction For Years of Use
Precision-machined
Made by ZPV of Serbia

Rank No. #15

ZPV 7.62x39 Headspace Gauge Set GO and NO-GO | CIP Spec

Set includes a GO and a NO-GO gauge
Manufactured to CIP specifications
Tough Steel Construction For Years of Use
Precision-machined
Made by ZPV of Serbia

Rank No. #16

Forster Products 30-06 Headspace Gauge Set GO and NO-GO

Forster Headspace Gauges precision-machined from hardened steel
GO length — This checks to see that the chamber accepts the cartridges made to maximum SAAMI specifications.
NO-GO length — This is used by most gunsmiths as a maximum headspace gauge when chambering a headspace dimension.
ISO9001
Made in USA

Rank No. #17

Z.P.V. Proizvodnja 22LR Headspace Gauge Set GO and NO-GO

Set includes a GO and a NO-GO gauge
Tough Steel Construction For Years of Use
Precision-machined
Made by ZPV of Serbia

Rank No. #18

Hornady Lock-N-Load Bullet Comparator Basic Set, Includes 7 Bullet Inserts – Quickly and Precisely Measure Loaded Rounds, Measures from Bullet Ogive – Reduce Round Variations – B234

Hornady Comparator Kit – The Hornady Lock-N-Load Bullet Comparator is perfect for the reloader looking to measure seating depth of loaded ammunition quickly and precisely. Measures from the bullet ogive to the base of the loaded round, to eliminate variation in seating depth. This basic set includes 7 bullet inserts
Why Do You Need a Hornady Bullet Comparator – Measuring cartridge lengths across the bullet tips is not a reliable (or repeatable) method for measuring loaded rounds. It’s common for variations of up to .025” to exist from one round to the next
Reliable Rounds – Our Bullet Comparator measures rounds from the ogive to provide consistent, precise measurements. You can also use it to check uniformity of bullets from base to ogive
Easy Measuring – Our Bullet Comparator easily attaches to the blade of your caliper and uses interchangeable inserts (available in sizes from .17 caliber to .45 caliber) to measure from the bullet ogive
Kit Includes – Comparator body and 7 comparator inserts for the following diameter bullets: 224, 243, 257, 264, 277, 284 and 308. Allen Wrench also included. Other inserts sold separately. To position the comparator with the Hornady Lock-N-Load Overall Length Gauge, install comparator body to the caliper with the screw through the thicker leg of the body. This allows the proper off center alignment of the Length Gauge

Rank No. #19

Lyman 7833020 Single Caliber Ammo Checker.223 Remington

Package length: 3.5 cm
Package width: 4.4 cm
Package height: 17.1 cm
Product Type: SPORTING GOODS

SaleRank No. #20

B.ZSSY Gauge Body with 5 Bushings Headspace Gauge Body Kit Compatible for Most Bottlenecks Replace for A330,B350,C375,D400,E420

1.[Application]:Gauge Body usually used with calipers,come with 5 bushing are interchangeable,can be replaced for A330,B350,C375,D400,E420.
2.[Function]:Headspace Gage is a great tool for measuring bottlenecks,more accurately measure brass resizing for a accurate reading.
3.[More Accuracy]:Take the neck outside diameter and the shoulder outside diameter and divide that number by 2 to determine which bushing is right for your caliber.
4.[Why you need these Headspace Gauge Bushings]:The handloader oversizes your cases it can lead to excessive headspace problems,which is to shorten the life of the brass.
5.[Package Included]:1 x Gauge body,5 x Bushings Set.We provide 18 months warranty.

Last update on 2023-09-09 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: Do you need a headspace gage for 5.56 NATO?

A: Forster Products NATO Minimum rifle chamber gages check to see that the rifle will accept the longest (headspace dimension) NATO ammunition cases that are currently manufactured. Similarly, the 5.56 NATO caliber requires a slightly longer headspace than the commercial .223 caliber, which are commonly thought to be identical.

Q: How many headspace gages are in a set?

A: Each set contains 11 gages, clearly marked in .001″ increments from shortest SAAMI length to longest SAAMI length. Manufactured from top-quality, hardened steel and precision ground to ANSI and SAAMI tolerances. Headspace tolerance ground to a very exacting ±.00015″.

Q: Do you need a headspace gage to check a chamber?

A: To determine if there is excessive headspace, the chamber should then be checked with a FIELD gage. The NO-GO gage is a valuable tool for gunsmiths’ reaming new chambers, in order to ensure tight and accurate headspace.

Q: Why do you need a headspace gauge on a rifle?

A: The proper use of Headspace Gages is the most reliable way to test the length of a rifle chamber. Excessive headspace may lead to gas leakage around the case or head separation and the sudden release of high pressure gas. Insufficient or excessively tight headspace may cause malfunctions, such as failure to lock.