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Determine Correct Headspace

Gives the proper chamber headspace dimensions so you know a firearm is safe to fire. GO gauge gives the SAMMI-recommended, minimum chamber depth. NO/GO is slightly longer than the SAMMI-recommended to identify excessive chamber depth and an unsafe condition. Precision-ground and hardened to provide long service life.

MIXING AND MATCHING BRANDS OF HEADSPACE GAUGES - Don't do it!! That's the short answer, here's why. It boils down to tolerance stacking. Each Headspace Gauge manufacturer works within a range specified by SAAMI. Manufacturer "A" may work at the high end of the range while Manufacturer "B's" gauges are in the middle of the tolerance range. Mixing the two could give an inaccurate reading. By sticking with one brand within a particular caliber, you will eliminate a variable. If you have a Forster, .308 GO gauge, get a Forster, .308 NO GO. Use Clymer with Clymer and Manson Precision with Manson Precision, etc. You can use any brand of headspace gauge with any other brand of chambering reamer. e.g. Forster Headspace Gauges with Clymer Reamers, Manson Precision Gauges with JGS Reamers, etc.


AR-15, Issue:10, Page:082
Big Book Catalog, Issue:67, Page:083
Big Book Catalog, Issue:67, Page:479
New Product Supplement, Issue:611, Page:017

SPECS: M7 high speed steel, in-the-white, hardened.

MANSON PRECISION - RIMLESS RIFLE/SHOTGUN CARTRIDGE HEADSPACE GAUGES

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40 Item(s)

Filtered Matches

.50 BMG GO HEADSPACE GAUGE
513-000-043WB
GO GAUGE, fits .50 BMG
513000043GO GAUGE, fits .50 BMG

Mfr Part: G50BMG

$60.00

In Stock

Cartridge: 50 BMG

Style: Go Gauge

.50 BMG NO GO HEADSPACE GAUGE
513-000-044WB
NO GO GAUGE, fits .50 BMG
513000044NO GO GAUGE, fits .50 BMG

Mfr Part: NG50BMG

$60.00

In Stock

Cartridge: 50 BMG

Style: No Go Gauge

Other Matches

MANSON .204 RUGER HEADSPACE GAUGE GO
513-000-068WB
GO GAUGE, fits .204 Ruger
513000068GO GAUGE, fits .204 Ruger

$30.00

In Stock

Cartridge: 204 Ruger

Style: Go Gauge

MANSON .204 RUGER HS GAUGE, NO GO
513-000-069WB
NO GO GAUGE, fits .204 Ruger
513000069NO GO GAUGE, fits .204 Ruger

$30.00

In Stock

Cartridge: 204 Ruger

Style: No Go Gauge

.220 SWIFT, GO HEADSPACE GAUGE
513-100-224WB
GO GAUGE, fits .220 Swift
513100224GO GAUGE, fits .220 Swift

$30.00

Out of Stock - Special Order

Cartridge: 220 Swift

Style: Go Gauge

223 REM MANSON GO HEADSPACE GAUGE
513-100-240WB
GO GAUGE, fits .223 Remington
513100240GO GAUGE, fits .223 Remington

Mfr Part: G0223REM

$30.00

In Stock

Cartridge: 223 Remington

Style: Go Gauge

223 REM MANSON NO GO HEADSPACE GAUGE
513-100-241WB
NO GO GAUGE, fits .223 Remington
513100241NO GO GAUGE, fits .223 Remington

Mfr Part: NG223REM

$30.00

In Stock

Cartridge: 223 Remington

Style: No Go Gauge

22/250 MANSON GO HEADSPACE GAUGE
513-100-250WB
GO GAUGE, fits .22/250
513100250GO GAUGE, fits .22/250

Mfr Part: G022250

$30.00

In Stock

Cartridge: 22-250 Remington

Style: Go Gauge

22/250 MANSON NO GO HEADSPACE GAUGE
513-100-251WB
NO GO GAUGE, fits .22/250
513100251NO GO GAUGE, fits .22/250

Mfr Part: NG22250

$30.00

In Stock

Cartridge: 22-250 Remington

Style: No Go Gauge

22-250 ACK IMP GO MANSON HS GAUGE
513-100-227WB
GO GAUGE, fits .22/250 Ackley Imp
513100227GO GAUGE, fits .22/250 Ackley Imp

Mfr Part: GO22250ACK

$30.00

In Stock

Cartridge: 22-250 Ackley

Style: Go Gauge

MANSON 6.8 SPC GO HEADSPACE GAUGE
513-100-026WB
GO GAUGE, fits 6.8mm Rem. SPC
513100026GO GAUGE, fits 6.8mm Rem. SPC

$30.00

In Stock

Cartridge: 6.8 mm Remington SPC

Style: Go Gauge

MANSON 6.8 SPC NO GO HEADSPACE GAUGE
513-100-027WB
NO GO GAUGE, fits 6.8mm Rem. SPC
513100027NO GO GAUGE, fits 6.8mm Rem. SPC

$30.00

In Stock

Cartridge: 6.8 mm Remington SPC

Style: No Go Gauge

7MM WIN SHORT MAG GO MANSON HS GAUGE
513-000-045WB
GO GAUGE, fits 7mm Win. Short Mag.
513000045GO GAUGE, fits 7mm Win. Short Mag.

$30.00

In Stock

Cartridge: 7 mm WSM (Winchester Short Magnum)

Style: Go Gauge

7MM WIN SHORT MAG NO GO MANSON HS GA.
513-000-046WB
NO GO GAUGE, fits 7mm Win. Short Mag.
513000046NO GO GAUGE, fits 7mm Win. Short Mag.

$30.00

In Stock

Cartridge: 7 mm WSM (Winchester Short Magnum)

Style: No Go Gauge

MANSON .280 ACK IMP HS GAUGE GO
513-100-015WB
GO GAUGE, fits .280 Ackley Imp
513100015GO GAUGE, fits .280 Ackley Imp

$30.00

In Stock

Cartridge: 280 Remington Ackley Improved

Style: Go Gauge

MANSON .280 ACK IMP HS GAUGE NO GO
513-100-016WB
NO GO GAUGE, fits .280 Ackley Imp
513100016NO GO GAUGE, fits .280 Ackley Imp

$30.00

In Stock

Cartridge: 280 Remington Ackley Improved

Style: No Go Gauge

7.62X39 MANSON GO HEADSPACE GAUGE
513-100-490WB
GO GAUGE, fits 7.62 x 39mm
513100490GO GAUGE, fits 7.62 x 39mm

Mfr Part: G076239

$30.00

In Stock

Cartridge: 7.62 x 39 mm

Style: Go Gauge

7.62X39 MANSON NO GO HEADSPACE GAUGE
513-100-491WB
NO GO GAUGE, fits 7.62 x 39mm
513100491NO GO GAUGE, fits 7.62 x 39mm

Mfr Part: NG76239

$30.00

In Stock

Cartridge: 7.62 x 39 mm

Style: No Go Gauge

7.62X39 CIP SPEC. GO HEADSPACE GAUGE
513-000-094WB
GO GAUGE, fits 7.62 x 39mm (CIP spec)
513000094GO GAUGE, fits 7.62 x 39mm (CIP spec)

Mfr Part: 762X39GOCIP

$30.00

In Stock

Cartridge: 7.62 x 39 mm

Style: Go Gauge

7.62X39 CIP SPEC. NO GO HEADSPACE GA.
513-000-095WB
NO GO GAUGE, fits 7.62 x 39mm (CIP spec)
513000095NO GO GAUGE, fits 7.62 x 39mm (CIP spec)

Mfr Part: 762X39NOGOCIP

$30.00

In Stock

Cartridge: 7.62 x 39 mm

Style: No Go Gauge

.30 CARBINE GO HEADSPACE GAUGE
513-100-350WB
GO GAUGE, fits .30 Carbine
513100350GO GAUGE, fits .30 Carbine

Mfr Part: G030M1CARB

$30.00

Out of Stock

Cartridge: 30 Carbine

Style: Go Gauge

.30 CARBINE NO-GO HEADSPACE GAUGE
513-100-351WB
NO GO GAUGE, fits .30 Carbine
513100351NO GO GAUGE, fits .30 Carbine

Mfr Part: NG30M1

$30.00

In Stock

Cartridge: 30 Carbine

Style: No Go Gauge

243/308 7MM-08 MANSON GO HS GAUGE
513-100-260WB
GO GAUGE, fits .243 & .308 Winchester, 7mm-08 Remington
513100260GO GAUGE, fits .243 & .308 Winchester, 7mm-08 Remington

Mfr Part: G0308WIN

$30.00

In Stock

Cartridge: 243 Winchester, 6.5/308 Winchester, 7 mm - 08 Remington

Style: Go Gauge

243/308/7MM-08 NO GO MANSON HS GAUGE
513-100-261WB
NO GO GAUGE, fits .243 & .308 Winchester, 7mm-08 Remington
513100261NO GO GAUGE, fits .243 & .308 Winchester, 7mm-08 Remington

Mfr Part: NG308WIN

$30.00

In Stock

Cartridge: 243 Winchester, 6.5/308 Winchester, 7 mm - 08 Remington

Style: No Go Gauge

300 REM ULTRA MAG GO HEADSPACE GAUGE
513-100-314WB
GO GAUGE, fits .300 Rem. Ultra Mag
513100314GO GAUGE, fits .300 Rem. Ultra Mag

$30.00

In Stock

Cartridge: 300 Remington Ultra Magnum

Style: Go Gauge

300 REM ULTRA MAG NO GO HEADSPACE GA
513-100-315WB
NO GO GAUGE, fits .300 Rem. Ultra Mag
513100315NO GO GAUGE, fits .300 Rem. Ultra Mag

$30.00

In Stock

Cartridge: 300 Remington Ultra Magnum

Style: No Go Gauge

270/300 WIN SHORT MAG GO HS GAUGE
513-100-316WB
GO GAUGE, fits .300 Win. Short Mag
513100316GO GAUGE, fits .300 Win. Short Mag

$30.00

In Stock

Cartridge: 300 WSM (Winchester Short Mag)

Style: Go Gauge

270/300 WIN SHORT MAG NO GO HS GAUGE
513-100-317WB
NO GO GAUGE, fits .300 Win. Short Mag
513100317NO GO GAUGE, fits .300 Win. Short Mag

$30.00

In Stock

Cartridge: 300 WSM (Winchester Short Mag)

Style: No Go Gauge

8X57MM MANSON GO HEADSPACE GAUGE
513-100-922WB
GO GAUGE, fits 8 x 57 mm
513100922GO GAUGE, fits 8 x 57 mm

$30.00

In Stock

Cartridge: 8 mm Mauser (8 x 57 mm Mauser)

Style: Go Gauge

8X57MM MANSON NO GO HEADSPACE GAUGE
513-100-923WB
NO GO GAUGE, fits 8 x 57 mm
513100923NO GO GAUGE, fits 8 x 57 mm

$30.00

In Stock

Cartridge: 8 mm Mauser (8 x 57 mm Mauser)

Style: No Go Gauge

25/06 30/06 270 35 WHELEN GO HS GA
513-100-310WB
GO GAUGE, fits .270 Win., .30-06 Springfield, .35 Whelan
513100310GO GAUGE, fits .270 Win., .30-06 Springfield, .35 Whelan

Mfr Part: G03006SPR

$30.00

In Stock

Cartridge: 270 Winchester, 30-06 Springfield, 35 Whelen

Style: Go Gauge

25/06 30/06 270 35 WHELEN NO GO HS GA
513-100-311WB
NO GO GAUGE, fits .270 WIn., .30-06 Springfield, .35 Whelan
513100311NO GO GAUGE, fits .270 WIn., .30-06 Springfield, .35 Whelan

Mfr Part: NG3006SPR

$30.00

In Stock

Cartridge: 270 Winchester, 30-06 Springfield, 35 Whelen

Style: No Go Gauge

12 GA MANSON GO SHOTGUN HS GAUGE
513-110-120WB
GO GAUGE, fits 12 Gauge Shotgun
513110120GO GAUGE, fits 12 Gauge Shotgun

Mfr Part: G012

$30.00

In Stock

Cartridge: 12 Gauge

Style: Go Gauge

12 GA MANSON NO GO SHOTGUN HS GAUGE
513-110-121WB
NO GO GAUGE, fits 12 Gauge Shotgun
513110121NO GO GAUGE, fits 12 Gauge Shotgun

Mfr Part: NG12

$30.00

In Stock

Cartridge: 12 Gauge

Style: No Go Gauge

5.45X39 RUSSIAN HEADSPACE GO GAUGE
513-000-097WB
GO GAUGE, fits 5.45 x 39mm
513000097GO GAUGE, fits 5.45 x 39mm

$30.00

In Stock

Cartridge: 5.45 x 39 mm

Style: Go Gauge

5.45X39 RUSSIAN HEADSPACE NO GO GAUGE
513-000-098WB
NO GO GAUGE, fits 5.45 x 39mm
513000098NO GO GAUGE, fits 5.45 x 39mm

$30.00

In Stock

Cartridge: 5.45 x 39 mm

Style: No Go Gauge

6.5 GRENDEL GO HEADSPACE GAUGE
513-000-101WB
GO GAUGE, fits 6.5 Grendel
513000101GO GAUGE, fits 6.5 Grendel

$30.00

Out of Stock

Cartridge: 6.5 Grendel

Style: Go Gauge

6.5 GRENDEL NO GO HEADSPACE GAUGE
513-000-102WB
NO GO GAUGE, fits 6.5 Grendel
513000102NO GO GAUGE, fits 6.5 Grendel

$30.00

In Stock

Cartridge: 6.5 Grendel

Style: No Go Gauge

NO-GO GAUGE 338 LAUPUA MAG
513-000-104WB
NO GO GAUGE, fits .338 Lapua Magnum
513000104NO GO GAUGE, fits .338 Lapua Magnum

Mfr Part: NO

$30.00

In Stock

Cartridge: 338 Lapua

Style: No Go Gauge

GO GAUGE 338 LAPUA MAGNUM
513-000-105WB
GO GAUGE, fits .338 Lapua Magnum
513000105GO GAUGE, fits .338 Lapua Magnum

$30.00

In Stock

Cartridge: 338 Lapua

Style: Go Gauge

RIMLESS RIFLE/SHOTGUN CARTRIDGE HEADSPACE GAUGES