223 / 556

RCM HK STYLE TRUNION 93-33 .223
223 / 556, 300blk, HK Rifle
$75⁰⁰
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RCM HK STYLE .223/5.56 F/A CARRIER, 33/93
223 / 556, HK Rifle
$390⁰⁰
Machined from ordnance grade steel. Correct heat treat and tungsten filled. The new RCM HK Style 33/93 Carrier is the finest US made Carrier ever. With the latest & greatest German inspired improvements and updates. Ideal for 556/.223 & .300 Black Out firearms. A bonus as each bolt counts as 1 US made compliant part. Fits all:

HK53

Custom HK33/93 builds & clones

.300 BLK builds
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RCM HK STYLE .223/5.56 F/A CARRIER, 53 STYLE
223 / 556, HK Rifle
$390⁰⁰
Machined from ordnance grade steel. Correct heat treat and tungsten filled. The new RCM HK53 style Carrier is the finest US made Carrier ever. With the latest & greatest German inspired improvements and updates. Ideal for 556/.223 & .300 Black Out firearms. A bonus as each bolt counts as 1 US made compliant part. Fits all:

HK53

Custom HK53 builds & clones

.300 BLK builds
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RCM HK STYLE BOLT HEAD .223/5.56 COMPLETE
223 / 556, 300blk, HK Rifle
$215⁰⁰
The latest generation style bolt head machined from ordnance grade steel and properly heat treated. Perfect for all 556/ .223 & 300 BO 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 93, 33. 53

C93, C53, V53, 300 BO

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
Read more
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
Add to cart