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Absolutely Essential For Accurate, Safe, Chamber Work

The only way to accurately measure and test the length of the chamber of the rifle. Essential when chambering a new barrel to ensure a tight, accurate, safe chamber. Whenever you buy a used gun, always check the headspace before firing. Gauges are etched with “Go” or “No-Go” and caliber/gauge name for easy identification. Both Forster and Clymer gauges are made to SAAMI specs.


AR-15, Issue:11, Page:087
Big Book Catalog, Issue:72, Page:091
Big Book Catalog, Issue:72, Page:456

SPECS: Machined Steel. Size varies with caliber and gauge style. NOTE: Gauges Interchangeable between calibers have same Stock #. .30/30 Cartridges are .219 Wasp, .219 Zipper, .22 Sav HP, .30-30, .32 Win Spl, .32-40, .375 Win and .38-55. .30/06 Cartridges are .25-06, 6.5mm-06, .270 Win, .30-06, 8mm-06, .338-06 and .35 Whelen. Magnum Cartridges are .257 Weatherby, .264 Win, 6.5 Rem Mag, .270 Weatherby, .275 H&H, 7mm Rem Mag, 7mm Weatherby, 7x61 S&H, .300 H&H, .300 Win Mag, .30-338, .300 Weatherby, .308 Norma, 8mm Mag, .338 Win, .340 Weatherby, .350 Rem Mag, .357 Norma, .375 H&H, .416 Rem Mag and .458 Win.

CLYMER - HEADSPACE GAUGES - NO-GO

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39 Item(s)
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Cartridge: 22 Bentz, 22 Match, 22 Short, 22 Long, 22 Long Rifle

Style: No Go Gauge

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Cartridge: 204 Ruger

Style: No Go Gauge

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Cartridge: 17 HMR, 22 WRF, 22 RF

Style: No Go Gauge

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Cartridge: 17 Hornet, 22 Hornet

Style: No Go Gauge

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Cartridge: 357 Herrett, 219 Donaldson Wasp, 219 Zipper, 32 Winchester Special, 25-35 Winchester, 7-30 Waters, ...

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Cartridge: 221 Remington Fireball

Style: No Go Gauge

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Cartridge: 223 Remington, 6 mm x 45

Style: No Go Gauge

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Cartridge: 5.56 mm NATO

Style: No Go Gauge

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Cartridge: 22-250 Remington

Style: No Go Gauge

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Cartridge: 243 Winchester, 260 Remington, 7 mm - 08 Remington, 308 Winchester, 358 Winchester

Style: No Go Gauge

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Cartridge: 218 Mashburn Bee, 218 Bee, 25-20 Winchester, 32-20 Winchester

Style: No Go Gauge

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Cartridge: 250 Savage

Style: No Go Gauge

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Cartridge: 25-06 Ackley Improved, 6.5-06, 270 Winchester, 30-06 Springfield, 8 mm-06, 338-06, ...

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Cartridge: 300 Winchester Magnum, 350 Remington Mag, 375 H&H Magnum

Style: No Go Gauge

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Cartridge: 6.5 x 55 mm Swedish Mauser

Style: No Go Gauge

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Cartridge: 257 Roberts, 7 mm Mauser (7 x 57 mm Mauser)

Style: No Go Gauge

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Cartridge: 22 BR (Benchrest) Remington, 6 mm BR Norma, 7 mm BR (Benchrest) Remington

Style: No Go Gauge

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Cartridge: 30 Carbine

Style: No Go Gauge

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Cartridge: 300 Savage

Style: No Go Gauge

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Cartridge: 303 British, 30-40 Krag

Style: No Go Gauge

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Cartridge: 7 mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 375 Remington Ultra Magnum

Style: No Go Gauge

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Cartridge: 270 WSM (Winchester Short Mag), 300 WSM (Winchester Short Mag), 325 WSM (Winchester Short Mag), 338 Winchester Magnum

Style: No Go Gauge

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Cartridge: 7.62 x 39 mm Russian

Style: No Go Gauge

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Cartridge: 7.62 x 54 mm Russian

Style: No Go Gauge

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Cartridge: 33 WCF, 348 Winchester, 40-65 Winchester, 45-70 Government

Style: No Go Gauge

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Cartridge: 9 mm Luger

Style: No Go Gauge

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Cartridge: 38 Super

Style: No Go Gauge

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Cartridge: 357 Magnum, 38 Special

Style: No Go Gauge

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Cartridge: 40 S&W

Style: No Go Gauge

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Cartridge: 44 Magnum, 44 Special

Style: No Go Gauge

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Cartridge: 45 Auto (ACP)

Style: No Go Gauge

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Cartridge: 45 (Long) Colt

Style: No Go Gauge

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Cartridge: .410 Bore

Style: No Go Gauge

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Cartridge: 20 Gauge

Style: No Go Gauge

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Cartridge: 12 Gauge

Style: No Go Gauge

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Cartridge: 300 AAC Blackout

Style: No Go Gauge

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Cartridge: 224 Valkyrie

Style: No Go Gauge

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Cartridge: 22 Creedmoor, 6mm Creedmoor, 6.5 Creedmoor

Style: No Go Gauge

Discontinued by Brownells

Product has been discontinued and no longer available.