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"American-Made Precision Gunsmithing Tools Since 1958"
Clymer Precision is a premier American manufacturer of high-quality chamber reamers, headspace gauges, and specialized gunsmithing tools.
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Products
187
In Stock
1958
Founded
USA
Origin
All Clymer Precision Products (187)
Clymer 6.5 PRC Headspace Gauge Kit Steel Go/No-Go Set Machined
Clymer 6.5X47MM LAPUA HEADSPACE GAUGE KIT STEEL
Clymer NO GO 6.5MM CREEDMOOR HEADSPACE GAUGE STEEL
Clymer 6.5MM CREEDMOOR GO HEADSPACE GAUGE STEEL
Clymer NO GO 224 VALYRIE HEADSPACE GAUGE STEEL
Clymer 224 VALKYRIE GO GAUGE HEADSPACE GAUGE STEEL
Clymer 224 VALKYRIE LIVE PILOT FINISHER
Clymer 300 AAC BLACKOUT HEADSPACE GAUGE KIT STEEL
Clymer GONG5.56 5.56x45mm NATO Headspace Gauge Kit Steel
Clymer 6MM Caliber Bushing Pack Precision Reloading Set
Clymer .30 CALIBER BUSHING PACK
Clymer 6.5 CALIBER BUSHING PACK
Clymer 25-06 REMINGTON LIVE PILOT FINISHER
Clymer 308 WINCHESTER NATIONAL MATCH LIVE PILOT FINISHER
Clymer 6.5X47 LAPUA LIVE PILOT FINISHER
Clymer 223 WYLDE LIVE PILOT FINISHER
Clymer 300 AAC BLACKOUT LIVE PILOT FINISHER
Clymer 270 WINCHESTER LIVE PILOT FINISHER
Clymer 223 REMINGTON LIVE PILOT FINISHER
Clymer 22-250 REMINGTON LIVE PILOT FINISHER
Clymer 7MM-08 REMINGTON LIVE PILOT FINISHER
Clymer 6.5MM CREEDMOOR LIVE PILOT FINISHER
Clymer 40 S&W HEADSPACE GAUGE KIT STEEL
Clymer 12 GAUGE HEADSPACE GAUGE KIT STEEL
Clymer 7.62X54R HEADSPACE GAUGE KIT STEEL
Clymer 30-06 SPRINGFIELD FIELD GAUGE STEEL
Clymer 308 WINCHESTER FIELD GAUGE STEEL
Clymer .308 CHAMBER REAMING KIT
Clymer .223 CHAMBER REAMING KIT
Clymer 45 ACP HEADSPACE GAUGE KIT STEEL
Clymer 30-06 SPRINGFIELD HEADSPACE GAUGE KIT STEEL
Clymer 7.62X39MM HEADSPACE GAUGE KIT STEEL
CLYMER 308 WINCHESTER HEADSPACE GAUGE KIT STEEL
Clymer NO GO 5.56X45MM NATO HEADSPACE GAUGE STEEL
Clymer NO GO 204 RUGER HEADSPACE GAUGE STEEL
Clymer 204 RUGER GO GAUGE HEADSPACE GAUGE STEEL
Clymer NO GO 300 AAC BLACKOUT HEADSPACE GAUGE STEEL
Clymer 300 AAC BLACKOUT GO HEADSPACE GAUGE STEEL
Clymer 300 REMINGTON ULTRA MAGNUM GO GAUGE HEADSPACE GAUGE STEEL
Clymer RIMLESS FINISHER STYLE REAMER FITS 9MM LUGER BARREL
Clymer RIMLESS FINISHER STYLE REAMER FITS 10MM AUTO BARREL
Clymer 223 REMINGTON HEADSPACE GAUGE KIT STEEL
Clymer NO GO BELTED MAGNUM HEADSPACE GAUGE STEEL
About Clymer Precision
Clymer Precision is a highly respected name in the firearms industry, specializing in the manufacture of premium-grade gunsmithing tools. For decades, they have provided professional gunsmiths, custom rifle builders, and firearm manufacturers with exceptionally precise chamber reamers, headspace gauges, and crowning tools. Each tool is engineered and manufactured in the USA from premium materials, ensuring the tightest tolerances and cleanest cuts for a wide variety of calibers.
Their extensive product catalog includes finishing reamers, roughing reamers, and headspace gauges designed to meet SAAMI and CIP standards. Whether you are chambering a new barrel or checking critical headspace for safety, Clymer's tools deliver the reliability and consistency required for high-performance shooting sports and custom firearm builds.
Headquarters
Rochester Hills, Michigan
Established
1958
Country of Origin
USA
History & Heritage
Founded in 1958, Clymer Precision has spent over six decades perfecting the art of precision machining for the firearms industry. Operating out of Rochester Hills, Michigan, the company has built a reputation for outstanding quality and customer service, utilizing advanced manufacturing technology to produce tools that consistently exceed industry expectations.
Notable Products
Clymer is highly regarded for its finishing reamers, roughing reamers, and precision headspace gauges.
Why Choose Clymer Precision?
Gunsmiths and shooters choose Clymer for their unmatched American-made precision, exceptional durability, and decades of trusted reliability.
Hot Clymer Precision Items August 2026
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Clymer 303 BRITISH FINISHER CHAMBER REAMER
$160.00
✓ In Stock
Clymer NO GO 300 WSM HEADSPACE GAUGE STEEL
$48.00
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Clymer G012 12 Gauge Headspace Gauge Steel
$59.00
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Clymer 12" Rifle Extension Reamer Handle Gunsmithing Tool
$43.00
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Clymer 12 GAUGE HEADSPACE GAUGE KIT STEEL
$118.00
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Clymer 17 REMINGTON FINISHING REAMER
$141.00
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Clymer .308 P/T REAMER COMPLETE SET
$218.00
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Clymer 223 REMINGTON LIVE PILOT FINISHER
$179.00
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Clymer 7MM REMINGTON MAGNUM FINISHER CHAMBER REAMER
$160.00
✓ In Stock
Clymer 300 WSM FINISHING REAMER
$160.00
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Clymer 30 M1 CARBINE FINISHING REAMER
$141.00
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Clymer 7MM-08 REMINGTON FINISHING REAMER
$141.00
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Clymer 300 H&H MAGNUM FINISHER CHAMBER REAMER
$160.00
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Clymer 300 WINCHESTER MAGNUM FINISHER CHAMBER REAMER
$160.00
✓ In Stock
Clymer 30-06 SPRINGFIELD FINISHING REAMER
$141.00
✓ In Stock
Clymer 308 WINCHESTER FINISHING REAMER
$141.00
✓ In Stock
Clymer .308 MATCH TACTICAL REAMER
$141.00
✓ In Stock
Clymer 8X57MM MAUSER FINISHING REAMER
$141.00
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Clymer 375 H&H MAGNUM FINISHER CHAMBER REAMER
$160.00
✓ In Stock
Clymer 45-70 GOVERNMENT FINISHER CHAMBER REAMER
$160.00
✓ In Stock
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Gunsmiths and shooters choose Clymer for their unmatched American-made precision, exceptional durability, and decades of trusted reliability....
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