Headspace Gauges

In stock Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

£94.90 * £94.90 - £129.90*

Clymer 308 WINCHESTER FAMILY NO-GO GAUGE
HEADSPACE GAUGES - NO-GO

GO/NO-GO Gauge Sets Clymer 308 Winchester Headspace Gauge Kit is a convenient kit that contains Go and No-Go gauges for accurately checking chamber length to ensure a tight, accurate, safe chamber when chambering a new barrel.
These gauges are essential tools for ensuring a tight, accurate, safe chamber when chambering a new barrel, and always have a set on hand to check for correct headspace before buying or firing a new gun.
The kit comes in a handy, durable plastic carrying case and is made of steel, precision machined to SAAMI specs. Each set contains one go gauge and one no-go gauge in a single caliber as listed below.

4.9

In stock Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

£49.90 * £49.90 - £69.90*

Clymer 308 WINCHESTER GO GAUGE
HEADSPACE GAUGES - GO

4.8

In stock Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

£49.90 * £49.90 - £69.90*

FORSTER PRODUCTS, INC. 257 ROBERTS NO-GO GAUGE
HEADSPACE GAUGES

Headspace gauges are essential for accurately measuring and testing the length of a rifle's chamber to ensure a tight, accurate, and safe chamber.
The Clymer go gauge for .308 Winchester, 243 Winchester, 7 mm - 08 Remington, 358 Winchester, and 260 Remington cartridges is made of machined steel and etched with "Go" for easy identification.
Gauges are interchangeable between calibers and made to SAAMI specs, and it's recommended to always check headspace before firing a used gun.

3.5

FORSTER PRODUCTS, INC.

In stock Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse

£47.90 * £34.90 - £54.90*

Headspace Gauges | Case Gauges & Headspace Tools

Forster 257 Roberts No-Go Gauge is a machined steel gauge that accurately measures and tests the length of the chamber of a rifle to ensure a tight, accurate, and safe chamber.
It is essential to check the headspace before firing a used gun, and Forster gauges are made to SAAMI specs, ensuring safety.
The gauge is .0005 inch under 7.62 NATO specification for NO-GO dimensions for safety. It is interchangeable between calibers and has the same stock number.

3.9

MANSON PRECISION 338 LAPUA MAGNUM NO GO GAUGE
RIMLESS CARTRIDGE HEADSPACE GAUGES

In stock Delivery time approx. 7-14 days.
2 pcs. in the USA warehouse

£64.90 * £59.90 - £114.90*

MANSON PRECISION NO GO GAUGE, FITS .17 HM2
.22 RIMFIRE CARTRIDGE HEADSPACE GAUGES

The Manson Precision 338 Lapua Magnum No Go Gauge is a precision-ground and hardened gauge that ensures the proper chamber headspace dimensions, providing a safe firing of firearms.
Mixing and matching brands of headspace gauges is not recommended as it can give an inaccurate reading due to tolerance stacking. Therefore, it is best to stick with one brand within a particular caliber to eliminate variables.
The Manson Precision 338 Lapua Magnum No Go Gauge is made of M7 high-speed steel, in-the-white, and hardened, providing long service life.

4.3

In stock Delivery time approx. 7-14 days.
2 pcs. in the USA warehouse

£69.90 * £64.90 - £69.90*

MANSON PRECISION NO GO GAUGE, FITS 9MM LUGER
RIMMED/RIMLESS PISTOL/RIMMED RIFLE CARTRIDGE HEADSPACE GAUGES

The Manson Precision No Go Gauge for .17 HM2 cartridges is made of M7 high speed steel and is precision-ground and hardened for long service life.
The No Go Gauge is slightly longer than the SAMMI-recommended minimum chamber depth, making it useful for identifying excessive chamber depth and unsafe conditions.
It is important to stick with one brand of headspace gauge within a particular caliber to eliminate variables and ensure accurate readings. Mixing brands could result in inaccurate readings due to tolerance stacking.

In stock Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse

£69.90 * £59.90 - £69.90*

FORSTER PRODUCTS, INC. .308 (7.62 NATO) MATCH GAUGE, 1.635" MATCH
7.62 MATCH GAUGES

The Manson Precision No Go Gauge for 9mm Luger provides proper chamber headspace dimensions for safe firearm firing. It is precision-ground and hardened for long service life.
Mixing and matching brands of headspace gauges is not recommended as each manufacturer works within a specified range, and using different brands could result in inaccurate readings due to tolerance stacking.
For accurate readings, it is recommended to stick with one brand within a particular caliber. Different brands of headspace gauges can be used with different brands of chambering reamers.

FORSTER PRODUCTS, INC.

In stock Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

£46.90 *

MANSON PRECISION GO GAUGE FOR .240 WEATHERBY MAGNUM
BELTED MAGNUM CARTRIDGE HEADSPACE GAUGES

FORSTER's MATCH RIFLE HEADSPACE GAUGES are designed to determine the exact headspace dimension on any rifle chambered in .308 Win., .223, or .22LR. The gauges cover every size chamber from Go to Field in .001" increments, making them ideal for match shooters, armorers, or sportsmen who want to track locking lug and chamber wear on high-quality, match-grade barrels.
Each gauge is precision-ground to the exact tolerance listed. Made of individual high-speed steel gauges, hardened and ground, the kit contains one gauge of the size listed. These gauges are perfect for those who want the most accurate and reliable way to check headspace dimensions on their rifles.
FORSTER's MATCH RIFLE HEADSPACE GAUGES are a must-have for anyone looking to maintain the highest level of accuracy and reliability from their rifle. They are designed to work with .308 Winchester cartridges and come in a Match Gauge style.

In stock Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse

£59.90 * £59.90 - £69.90*

9MM LUGER GO CLYMER HEADSPACE GAUGE

The BELTED MAGNUM CARTRIDGE HEADSPACE GAUGES MANSON PRECISION GO GAUGE is designed for the .240 Weatherby Magnum cartridge, and can be used with other belted, magnum cartridges based on the .375 H&H Magnum case.
It is important to avoid mixing and matching brands of headspace gauges as each manufacturer works within a specified range and tolerance stacking can lead to inaccurate readings.
To ensure accuracy, it is recommended to stick with one brand of headspace gauges within a particular caliber and use any brand of gauge with any other brand of chambering reamer.

In stock Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse

£49.90 *

Clymer 30-06 SPRINGFIELD FIELD GAUGE
FIELD HEADSPACE GAUGES

The 9MM Luger Go Clymer Headspace Gauge is an essential tool for accurately measuring and testing the length of a rifle chamber.
It ensures a tight, accurate, and safe chamber when chambering a new barrel, and is recommended to be used before firing any used gun.
The gauge is made of machined steel and is etched with "Go," "No-Go," or "Field" and caliber/gauge name for easy identification.

In stock Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse

£49.90 *

BROWNELLS COLT FIELD 5.56X45MM HEADSPACE GAUGE 1.4736
5.56MM MAXIMUM HEADSPACE GAUGE

Field gauges are essential tools for ensuring safe chamber headspace on used rifles. The Field gauge measures the absolute maximum allowable headspace and is used for an additional check if the bolt closes on a No-Go gauge.
The Clymer Field HeadSpace Gauge for 30-06 Springfield is made of steel and precision machined to SAAMI specs. It fits .25-06, .270 Win, .30-06, 8mm-06, .338-06, and .35 Whelen cartridges.
The gauge comes with a durable plastic storage case and is available for .308 and .30-06 caliber chamber lengths. If the bolt closes on the Field gauge, the rifle is considered unsafe to shoot and will require the barrel to be set back and rechambered.

BROWNELLS

In stock Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse

£47.90 *

FORSTER PRODUCTS, INC. 7.62 NATO MAXIMUM CHAMBER GAUGE
7.62 NATO MAXIMUM CHAMBER GAUGE

FORSTER PRODUCTS, INC.

Reordered Backordered, delivery time approx. 4-12 weeks from the USA warehouse.

£49.90 * £47.90 - £49.90*

BROWNELLS 60/68 REVOLVER CYLINDER GAUGE
REVOLVER CYLINDER GAUGES

Verifies chamber length for safe firing: The 7.62 NATO Maximum Chamber Gauge by Forster is designed to measure the minimum and absolute maximum allowable safe chamber headspace. The Go gauge measures the minimum headspace, while the Field gauge measures the absolute maximum headspace.
Ensures rifle safety: If the bolt does not close on the Go gauge, the rifle is considered unsafe to shoot. And if the bolt closes on the No-Go gauge but then closes on the Field gauge, the rifle is also considered unsafe to shoot.
Durable storage case: The gauge set comes with a plastic storage case that ensures the gauges are protected and kept safe when not in use.

BROWNELLS

Reordered Backordered, delivery time approx. 4-12 weeks from the USA warehouse.

£64.90 * £33.90 - £64.90*

Forster ESSENTIAL AR-15 223/5.56 HEADSPACE GAUGE SET
ESSENTIAL AR-15 223/5.56 HEADSPACE GAUGE SET

New

Forster

Reordered Backordered, delivery time approx. 4-12 weeks from the USA warehouse.

£174.90 *