Over 300,000 customers - we say thank you!

40,000+ products for hunting and shooting sports

CLYMER
HEADSPACE GAUGES - GO

184100490
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.

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.

42.9 69.9 36 GBP
Product no.: 184100490
CLYMER 7.62X39MM GO GAUGE
Mfr Part: G07.62X39 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.
54.9 GBP 17 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 7.62 x 39 mm Russian Style: Go Gauge

Top takeaways

  1. The Clymer 7.62x39mm Go Gauge is essential for measuring the chamber length of a rifle to ensure safety and precision.
  2. It is crucial to check the headspace with a gauge when acquiring a used gun to prevent firing hazards.
  3. The gauges are etched with "Go" or "No-Go" for easy identification and are made to SAAMI specifications.

Attributes

Cartridge: 7.62 x 39 mm Russian Style: Go Gauge Delivery weight: 0.023kg Shipping height: 18mm Shipping width: 18mm Shipping length: 58mm

Item details

Made in USA



Product no.: 184100220
CLYMER 22 LONG RIFLE GO GAUGE
Mfr Part: GO22LR 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.
54.9 GBP 21 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 22 Long Rifle, 22 Short, 22 Long, 22 Bentz, 22 Match Style: Go Gauge
Product no.: 184100222
CLYMER 6MM BR GO GAUGE
Mfr Part: G0BR GO, .22 Rem BR, 6mm BR, 7mm BR
54.9 GBP 21 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 7 mm BR (Benchrest) Remington, 22 BR (Benchrest) Remington, 6 mm BR Style: Go Gauge
Product no.: 184100230
CLYMER 22 WRF GO GAUGE
Mfr Part: G022WRFM GO, .22 Rimfire Mag, .22RFM
54.9 GBP 15 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 17 HMR, 22 WRF, 22 RF Style: Go Gauge
Product no.: 184100235
CLYMER 22 HORNET GO GAUGE
Mfr Part: G022H0R 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.
54.9 GBP 6 £54.90 *
Delivery time approx. 7-14 days.
6 pcs. in the USA warehouse
Specs: Cartridge: 22 Hornet, 17 Hornet Style: Go Gauge
Product no.: 184100240
CLYMER 223 REMINGTON GO GAUGE
Mfr Part: G0223REM 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.
54.9 GBP 4 £54.90 *
Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse
Specs: Cartridge: 223 Remington, 6 mm x 45 Style: Go Gauge
Product no.: 184100250
CLYMER 22-250 REMINGTON GO GAUGE
Mfr Part: G022/250 GO, .22-250
54.9 GBP 20 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 22-250 Remington Style: Go Gauge
Product no.: 184100255
CLYMER 250 SAVAGE GO GAUGE
Mfr Part: G0250SAV 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.
49.9 GBP 19 £49.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 250 Savage Style: Go Gauge
Product no.: 184100260
CLYMER 308 WINCHESTER GO GAUGE
Mfr Part: G0308WIN 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.
54.9 GBP 8 £54.90 *
Delivery time approx. 7-14 days.
8 pcs. in the USA warehouse
Specs: Cartridge: 308 Winchester, 243 Winchester, 7 mm - 08 Remington, 358 Winchester, 260 Remington Style: Go Gauge
Product no.: 184100263
CLYMER 300 WSM GO GAUGE
Mfr Part: GO300WSM 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.
64.9 GBP 12 £64.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 300 WSM (Winchester Short Mag), 270 WSM (Winchester Short Mag), 325 WSM (Winchester Short Mag) Style: Go Gauge
Product no.: 184100270
CLYMER 6MM REMINGTON GO GAUGE
Mfr Part: G06MMREM 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.
42.9 GBP 3 £42.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Cartridge: 6 mm Remington Style: Go Gauge
Product no.: 184100280
CLYMER 7MM MAUSER GO GAUGE
Mfr Part: GO7X57 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.
54.9 GBP 3 £54.90 *
Delivery time approx. 7-14 days.
3 pcs. in the USA warehouse
Specs: Cartridge: 257 Roberts, 7 mm Mauser (7 x 57 mm Mauser) Style: Go Gauge
Product no.: 184100287
CLYMER 284 WINCHESTER GO GAUGE
Mfr Part: GO284WIN GO, .284 Win
54.9 GBP 45 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 284 Winchester, 6 mm - 284 Winchester, 30/284 Winchester, 25/284 Winchester Style: Go Gauge
Product no.: 184100290
CLYMER 6.5X55MM SWEDE GO GAUGE
Mfr Part: G06555 GO, 6.5x55
54.9 GBP 5 £54.90 *
Delivery time approx. 7-14 days.
5 pcs. in the USA warehouse
Specs: Cartridge: 6.5 x 55 mm Swedish Mauser Style: Go Gauge
Product no.: 184100300
CLYMER 30-30 WINCHESTER GO GAUGE
Mfr Part: G03030WCF GO, .30/30 see Specs for Cartridges
54.9 GBP 17 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 30-30 Winchester, 219 Zipper, 25-35 Winchester, 7-30 Waters, 30 Herrett, 32 Winchester Special, 32-40 Winchester, 356 Winchester, 303 Savage, 307 Winchester, 219 Donaldson Wasp, 357 Herrett, 219 Zipper Improved Style: Go Gauge
Product no.: 184100302
CLYMER 30-40 KRAG GO GAUGE
Mfr Part: GO3040KRAG GO, .30-40 Krag; .303 British
54.9 GBP 13 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 30-40 Krag, 303 British Style: Go Gauge
Product no.: 184100306
CLYMER 300 REMINGTON ULTRA MAGNUM GO GAUGE
Mfr Part: GO300REMUMAG GO, .300 Ultra Mag, .300 Ultra
59.9 GBP 14 £59.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 300 Remington Ultra Magnum, 7 mm Remington Ultra Magnum Style: Go Gauge
Product no.: 184100310
CLYMER 30-06 SPRINGFIELD GO GAUGE
Mfr Part: G03006SPR 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.
54.9 GBP 17 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 30-06 Springfield, 270 Winchester, 25-06 Remington, 338-06, 35 Whelen, 8 mm-06 Style: Go Gauge
Product no.: 184100320
CLYMER BELTED MAGNUM GO GAUGE
Mfr Part: G0BLT 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.
54.9 GBP 14 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 300 Winchester Magnum, 375 H&H Magnum, 350 Remington Mag Style: Go Gauge
Product no.: 184100330
CLYMER 45-70 GOVERNMENT GO GAUGE
Mfr Part: G04570GOVT 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.
54.9 GBP 8 £54.90 *
Delivery time approx. 7-14 days.
8 pcs. in the USA warehouse
Specs: Cartridge: 45-70 Government, 348 Winchester, 33 WCF, 40-65 Winchester Style: Go Gauge
Product no.: 184100350
CLYMER 30 M1 CARBINE GO GAUGE
Mfr Part: G030M-1CARB 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.
49.9 GBP 9 £49.90 *
Delivery time approx. 7-14 days.
9 pcs. in the USA warehouse
Specs: Cartridge: 30 Carbine Style: Go Gauge
Product no.: 184100380
CLYMER 357 MAGNUM GO GAUGE
Mfr Part: G0357MGN 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.
54.9 GBP 8 £54.90 *
Delivery time approx. 7-14 days.
8 pcs. in the USA warehouse
Specs: Cartridge: 357 Magnum, 38 Special Style: Go Gauge
Product no.: 184100390
CLYMER 38 SUPER GO GAUGE
Mfr Part: G038SUPN GO, .38 Super (Nonte)
54.9 GBP 47 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 38 Super Style: Go Gauge
Product no.: 184100400
CLYMER 40 S&W GO GAUGE
Mfr Part: G040SW GO, .40 S&W
49.9 GBP 12 £49.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 40 S&W Style: Go Gauge
Product no.: 184100430
CLYMER 44 MAGNUM GO GAUGE
Mfr Part: GO44MGN GO, .44 Mag/.44 Spc
54.9 GBP 24 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 44 Magnum, 44 Special Style: Go Gauge
Product no.: 184100450
CLYMER 45 ACP GO GAUGE
Mfr Part: G045ACP GO, .45 ACP
49.9 GBP 26 £49.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 45 Auto (ACP) Style: Go Gauge
Product no.: 184100500
CLYMER 7.62X54R GO GAUGE
Mfr Part: G07.62X54R GO, 7.62x54R Russian
54.9 GBP 24 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 7.62 x 54 mm Russian Style: Go Gauge
Product no.: 184100510
CLYMER 45 LONG COLT GO GAUGE
Mfr Part: G045LC GO, .45 Colt
49.9 GBP 7 £49.90 *
Delivery time approx. 7-14 days.
7 pcs. in the USA warehouse
Specs: Cartridge: 45 (Long) Colt Style: Go Gauge
Product no.: 184110120
CLYMER 12 GAUGE GO GAUGE
Mfr Part: G012 GO, 12 Gauge
69.9 GBP 8 £69.90 *
Delivery time approx. 7-14 days.
8 pcs. in the USA warehouse
Specs: Cartridge: 12 Gauge Style: Go Gauge
Product no.: 184110200
CLYMER 20 GAUGE GO GAUGE
Mfr Part: G020 GO, 20 Gauge
69.9 GBP 25 £69.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 20 Gauge Style: Go Gauge
Product no.: 184000033
CLYMER 204 RUGER GO GAUGE
Mfr Part: GO204RUGER 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.
49.9 GBP 4 £49.90 *
Delivery time approx. 7-14 days.
4 pcs. in the USA warehouse
Specs: Cartridge: 204 Ruger Style: Go Gauge
Product no.: 184000035
CLYMER 5.56X45MM NATO GO GAUGE
Mfr Part: GO5.56NATO GO, 5.56 NATO
54.9 GBP 69 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 5.56 mm NATO Style: Go Gauge
Product no.: 100011283
CLYMER 300 AAC BLACKOUT GO GAUGE
Mfr Part: GO300BLACK 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.
54.9 GBP 60 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 300 AAC Blackout Style: Go Gauge
Product no.: 184000077
CLYMER 224 VALKYRIE GO GAUGE
Mfr Part: GO224VALK 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.
54.9 GBP 19 £54.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Cartridge: 224 Valkyrie Style: Go Gauge
Product no.: 184000079
CLYMER 6.5MM CREEDMOOR GO GAUGE
Mfr Part: GO6.5CREED 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.
54.9 GBP 0 £54.90 *
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Cartridge: 6.5 Creedmoor Style: Go Gauge
Product no.: 184100360
CLYMER 25-20 WINCHESTER GO GAUGE
Mfr Part: GO2520 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.
Notify on availability
Not available.
Specs: Cartridge: 218 Bee, 25-20 Winchester, 32-20 Winchester, 218 Mashburn Bee Style: Go Gauge

Ensure your rifle's chamber is safe with the Clymer 7.62x39mm Go Gauge. Essential for accurate measurements! 🔍 Check your used guns!

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.

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.

4.8
In stock
£64.90 £42.90 - £69.90
4.9
In stock
£99.90 £99.90 - £134.90
0
In stock
£239.90 £239.90 - £269.90
3.9
Reordered
£49.90 £33.90 - £49.90
Back to top