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"The Gold Standard in Precision Gunsmithing Tooling"
Manson Precision Reamers manufactures premium, American-made chamber reamers, headspace gauges, and specialized gunsmithing tools designed for ultimate accuracy.
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Products
143
In Stock
1998
Founded
USA
Origin
All Manson Precision Products (143)
About Manson Precision
Manson Precision Reamers is a premier manufacturer of high-quality cutting tools and gauges designed specifically for the firearms industry. Based in Michigan, the company produces an extensive line of precision chamber reamers, headspace gauges, and specialized gunsmithing tools. Their catalog caters to professional gunsmiths, custom rifle builders, and firearm manufacturers who require exact tolerances for optimal accuracy and safety.
From receiver truing and accurizing kits to muzzle crown refacing tools and throat reamers, Manson Precision products are engineered to deliver clean, chatter-free cuts and repeatable results. Whether working on standard calibers, wildcat cartridges, or custom handgun builds, their tooling provides the consistency needed to achieve match-grade performance.
Headquarters
Grand Blanc, Michigan
Established
1998
Country of Origin
USA
History & Heritage
Manson Precision Reamers was founded in 1998 by Dave Manson, who honed his expertise in toolmaking and reamer manufacturing during his tenure as plant manager at Clymer Manufacturing Company. Following the sale of Clymer, Manson launched his own venture, initially operating under the name Loon Lake Precision before transitioning to Manson Precision Reamers. Headquartered in Grand Blanc, Michigan, the company has grown into a highly respected industry leader, trusted by top firearm manufacturers and competitive shooters alike.
Notable Products
Notable product lines include their precision chamber reamers, headspace gauges, receiver accurizing kits, and muzzle crown refacing tools.
Why Choose Manson Precision?
Professionals and hobbyists choose Manson Precision for their uncompromising American-made quality, tight tolerances, and reliable performance that ensure perfect chambering and headspacing.
Hot Manson Precision Items September 2026
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Manson PRECISION RIMFIRE CARTRIDGE .17 HM2 FINISH STANDARD
$144.00
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Manson PRECISION RIMMED RIFLE CARTRIDGE .32-20 (BBL) FINISHE
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Manson PRECISION 300 REMINGTON ULTRA MAGNUM GO GAUGE HEADSPA
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Manson PRECISION 5.45X39MM NO GO GAUGE HEADSPACE GAUGE STEEL
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Manson PRECISION RIMMED RIFLE CARTRIDGE .22 K-HORNET FINISHE
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Manson PRECISION RIMLESS PISTOL CARTRIDGE 9MM LUGER FINISHER
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Manson PRECISION 30 M1 CARBINE GO GAUGE HEADSPACE GAUGE STEE
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Manson PRECISION 30 M1 CARBINE GO GAUGE HEADSPACE GAUGE STEE
$66.00
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Manson PRECISION 30 M1 CARBINE NO GO GAUGE HEADSPACE GAUGE S
$66.00
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Manson PRECISION RIMLESS RIFLE CARTRIDGE 5.45 X 39MM
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Manson PRECISION RIMLESS RIFLE CARTRIDGE 223 WYLDE
$189.00
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Manson PRECISION RIMLESS PISTOL CARTRIDGE .40 S&W FINISHER
$149.00
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Manson PRECISION .223 FACING BURR
$134.00
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Manson PRECISION .308 FACING BURR
$134.00
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Manson PRECISION .44 CAL. THROAT REAMER
$159.00
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Manson PRECISION .44 CAL. THROAT PILOT PACK
$118.00
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Manson PRECISION 50 BMG NO GO GAUGE HEADSPACE GAUGE STEEL
$110.00
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Manson PRECISION 7MM WSM GO GAUGE HEADSPACE GAUGE STEEL
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Manson PRECISION OVERSIZE RECEIVER REAMER
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Professionals and hobbyists choose Manson Precision for their uncompromising American-made quality, tight tolerances, and reliable performance that en...
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