308

RCM HK21″E” EXTRACTOR KIT
308, HK Rifle
$80⁰⁰
The new RCM 21 extractor was developed for our 21"H" bolt head, but it is also compatible with the HK21E, HK11A1, and clone builds. Comes complete as a kit with new spring and pin.
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RCM 21 STYLE HYBRID BOLT HEAD .308/7.62 COMPLETE
308, HK Rifle
$495⁰⁰
Newly designed HK 21 style Hybrid bolt head incorporates new "E" style technology into your classic HK21 style firearm. This bolt head uses an upgraded pivoting extractor like the HK21E and HK23E style of firearms. This bolt head does require the use of a RCM21E, RCM11E, HK21E or HK11A1 style barrel with extractor cut in the face to work properly, an original 21 barrel with pin in breech face will not work properly and could cause damage to parts or possibly the firearm as a whole. This is a great upgrade to the parts kits that have damaged and worn parts. Compatible with:

HK 21, Not HK21E

Clones or other custom builds
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RCM HK STYLE BOLT HEAD .308/7.62 COMPLETE
308, HK Rifle
$215⁰⁰
The latest generation style bolt head machined from ordnance grade steel and properly heat treated. Perfect for all .308/7.62 roller lock firearms. This is a complete bolt head, ready to be used. We use the Upgraded Gen 1 Roller Retainer spring. Compatible with:

HK G3, 91

Clones or other custom builds
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RCM HK STYLE ROLLER SET, STANDARD 8MM
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
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RCM HK STYLE ROLLER SET, +2 (8.02mm)
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
Roller +2 – New – 8.02mm
RCM U.S. Made +2 (8.02 mm) locking roller, The proper roller size is essential for proper bolt gap. Sold as a set Fits all:

HK G3, 91 & PTR

HK 93, 33, 53

HK MP5, 94

HK MP5K, SP89, SP5K

Other 90 series custom builds or clones
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RCM HK STYLE ROLLER SET, +4 (8.04mm)
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
Roller +4 – New – 8.04mm
RCM U.S. Made +4 (8.04 mm) locking roller, The proper roller size is essential for proper bolt gap. Sold as a set Fits all:

HK G3, 91 & PTR

HK 93, 33, 53

HK MP5, 94

HK MP5K, SP89, SP5K

Other 90 series custom builds or clones
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RCM HK STYLE ROLLER SET, -2 (7.98 mm)
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
Roller -2 – New – 7.98 mm
RCM U.S. Made -2 (7.98 mm) locking roller, The proper roller size is essential for proper bolt gap. Sold as a set Fits all:

HK G3, 91 & PTR

HK 93, 33, 53

HK MP5, 94

HK MP5K, SP89, SP5K

Other 90 series custom builds or clones
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RCM HK STYLE ROLLER SET, -4 (7.96 mm)
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
Roller -4 – New – 7.96 mm
RCM U.S. Made -4 (7.96 mm) locking roller, The proper roller size is essential for proper bolt gap. Sold as a set Fits all:

HK G3, 91 & PTR

HK 93, 33, 53

HK MP5, 94

HK MP5K, SP89, SP5K

Other 90 series custom builds or clones
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RCM HK STYLE ROLLER SET, -6 (7.94mm)
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
Roller -6– New – (7.94 mm)
RCM U.S. Made -6 (7.94 mm) locking roller, The proper roller size is essential for proper bolt gap. Sold as a set Fits all:

HK G3, 91 & PTR

HK 93, 33, 53

HK MP5, 94

HK MP5K, SP89, SP5K

Other 90 series custom builds or clones
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RCM HK STYLE ROLLER SET, -8 (7.92mm)
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
Roller -8 – New – 7.92 mm
RCM U.S. Made -8 (7.92 mm) locking roller, The proper roller size is essential for proper bolt gap. Sold as a set Fits all:

HK G3, 91 & PTR

HK 93, 33, 53

HK MP5, 94

HK MP5K, SP89, SP5K

Other 90 series custom builds or clones
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RCM HK STYLE ROLLER SET, -10 (7.90mm)
223 / 556, 300blk, 308, 9mm, HK Rifle, HK SMG
$18⁰⁰
Roller -10– New – 7.90 mm
RCM U.S. Made -10 (7.90 mm) locking roller, The proper roller size is essential for proper bolt gap. Sold as a set Fits all:

HK G3, 91 & PTR

HK 93, 33, 53

HK MP5, 94

HK MP5K, SP89, SP5K

Other 90 series custom builds or clones
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RCM HK STYLE LOCKING PIECE #9/40 DEG.
308, HK Rifle
$60⁰⁰
Works with both .223 and 308 applications. For fine tuning custom builds.
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