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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.
Shop All Clymer Precision Products229
Products
196
In Stock
1958
Founded
USA
Origin
All Clymer Precision Products (196)
Clymer RIMMED FINISHER STYLE REAMER FITS .45 LONG COLT CYLINDER
Clymer RIMLESS FINISHER STYLE REAMER FITS .45 ACP BARREL
Clymer RIMLESS FINISHER STYLE REAMER FITS .45 ACP CYLINDER
Clymer RIMMED FINISHER STYLE REAMER FITS .44/40 BARREL
Clymer RIMMED FINISHER STYLE REAMER FITS .44 MAGNUM BARREL
Clymer RIMMED FINISHER STYLE REAMER FITS .44 MAGNUM CYLINDER
Clymer RIMLESS FINISHER STYLE REAMER FITS .40 S&W BARREL
Clymer RIMMED FINISHER STYLE REAMER FITS .38 SUPER NONTE
Clymer RIMMED FINISHER STYLE REAMER FITS .357 MAX BARREL
Clymer RIMMED FINISHER STYLE REAMER FITS .357 MAG BARREL
Clymer RIMMED FINISHER STYLE REAMER FITS .357 MAG CYLINDER
Clymer 32-20 WINCHESTER FINISHER CHAMBER REAMER
Clymer RIMMED FINISHER STYLE REAMER FITS .32 H&R MAG BARREL
Clymer 303 BRITISH FINISHER CHAMBER REAMER
Clymer .22 RIMFIRE REVOLVER FIN. STYLE FITS .22 WRFM REVOLVER
Clymer 35 WHELAN FINISHING REAMER
Clymer 45-70 GOVERNMENT FINISHER CHAMBER REAMER
Clymer 375 H&H MAGNUM FINISHER CHAMBER REAMER
Clymer 8X57MM MAUSER FINISHING REAMER
Clymer .308 MATCH TACTICAL REAMER
Clymer 308 WINCHESTER FINISHING REAMER
Clymer 30-06 SPRINGFIELD FINISHING REAMER
Clymer 300 WINCHESTER MAGNUM FINISHER CHAMBER REAMER
Clymer 300 H&H MAGNUM FINISHER CHAMBER REAMER
Clymer 7MM-08 REMINGTON FINISHING REAMER
Clymer 30 M1 CARBINE FINISHING REAMER
Clymer 300 WSM FINISHING REAMER
Clymer 7MM REMINGTON MAGNUM FINISHER CHAMBER REAMER
Clymer 7X57MM MAUSER FINISHING REAMER
Clymer 264 WINCHESTER MAGNUM FINISHER CHAMBER REAMER
Clymer 6.5MM-06 A-SQUARE FINISHING REAMER
Clymer 6.5X55MM SWEDE FINISHING REAMER
Clymer 25-06 REMINGTON FINISHING REAMER
Clymer 260 REMINGTON FINISHING REAMER
Clymer 257 ROBERTS FINISHING REAMER
Clymer 25-20 WINCHESTER FINISHER CHAMBER REAMER
Clymer 243 WINCHESTER FINISHING REAMER
Clymer 223 REMINGTON FINISHING REAMER
Clymer 223 REMINGTON ROUGHER REAMER
Clymer 222 REMINGTON FINISHING REAMER
Clymer 22 HORNET FINISHER CHAMBER REAMER
Clymer RIMFIRE RIFLE/AUTO PISTOL FIN. STYLE FITS .22 WIN. RFM
Clymer Bentz .22 LR Semi-Auto Match Reamer Gunsmithing Tool
Clymer Match .22 LR Finish Reamer Gunsmithing Tool
Clymer RIMFIRE RIFLE/AUTO PISTOL ROUGHER STYLE FITS .22 LONG RIFLE
Clymer RIMFIRE RIFLE/AUTO PISTOL FIN. STYLE FITS .22 LONG RIFLE
Clymer RIMFIRE RIFLE/AUTO PISTOL FIN. STYLE FITS .22 SHORT RIFLE
Clymer 17 REMINGTON FINISHING REAMER
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 June 2026
Trending right now based on the last 30 days of TheGunDock orders + page views.
Clymer 223 REMINGTON FINISHING REAMER
$141.00
✓ In Stock · 1 sold this month
Clymer 45-70 GOVERNMENT FINISHER CHAMBER REAMER
$160.00
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Clymer NO GO 223 REMINGTON HEADSPACE GAUGE STEEL
$39.00
✓ In Stock
Clymer 44 MAGNUM GO GAUGE HEADSPACE GAUGE STEEL
$39.00
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Clymer 7.62X39MM FINISHING REAMER
$141.00
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Clymer 40 S&W HEADSPACE GAUGE KIT STEEL
$77.00
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Clymer 12 GAUGE BACK-BORE REAMER .735 DIA.
$131.00
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Clymer 308 WINCHESTER ROUGHER REAMER
$141.00
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Clymer 7MM REMINGTON MAGNUM FINISHER CHAMBER REAMER
$160.00
✓ In Stock
Clymer 300 WSM FINISHING REAMER
$160.00
✓ In Stock
Clymer 30 M1 CARBINE FINISHING REAMER
$141.00
✓ In Stock
Clymer 7MM-08 REMINGTON FINISHING REAMER
$141.00
✓ In Stock
Clymer 300 H&H MAGNUM FINISHER CHAMBER REAMER
$160.00
✓ In Stock
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
✓ In Stock
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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