RCM
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RCM 300 BLK Locking Piece
RCM
$49.95RCM 300 BLK Locking Piece New US manufactured 300 BLK locking piece for custom 300 builds or other custom 300 BLK HK style roller locked firearms.HKP-15547$49.95 -
RCM MP5K 40/10 Full Auto Bolt Carrier
RCM
$157.95MP5K 40/10 Full Auto Bolt Carrier - Latest Upgraded Version This part is built from billet ordnance steel. This US-made MP5K 40,10 style carrier is made with Tungsten and is heat-treated,...HKP-01826$157.95 -
RCM MP5 40/10 Complete Bolt Head
RCM
$211.95HK MP5 40/10 Bolt Head Complete - RCM- US Each bolt head incorporates the same enhanced material as all of the new RCM products. Ideal to replace out of spec, worn or broken bolt heads or for...HKP-02664$211.95 -
RCM MP5 40/10 High Impulse Locking Piece #25
RCM
$44.95MP5 40 & MP5 10mm High Impulse Locking Piece Marked #25 Made in the US from an enhanced material and heat treated to factory specifications. Each US-made MP5 40/10 60-Degree Locking...HKP-15149$44.95 -
RCM MP5 40/10 Full Auto Bolt Carrier
RCM
$157.95MP5 40, 10mm - Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and are Tungsten filled and heat treated providing the finest American...HKP-01192$157.95 -
RCM MP5 40/10 Extractor
RCM
$34.95MP5 40 & 10mm Extractor - US Made This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.HKP-01969$34.95 -
RCM MP5 40/10 Low Impulse Locking Piece #24
RCM
$44.95RCM MP5 40/10 Low Impulse Locking Piece #24 Made out of enhanced material and heat treated to spec. The # 24 is the 90-degree locking piece. This is also the standard non-high impulse...HKP-15148$44.95 -
RCM MP5K/SP89/SP5K 9mm RS Trunnion
RCM
$69.95MP5K Reverse Stretch Trunnion US-made to exact factory HK specifications for the HK MP5K, SP89 9mm builds. There is a difference between the MP5K and the MP5 trunnion. This offering is the correct...HKP-02242$69.95 -
RCM MP5K/SP89 9mm Locking Piece - 110 Degree
RCM
$33.95MP5K, SP89 Locking Piece - 110 Degree - RCM US-Made Locking Piece. Made from ordnance grade steel, heat treated, and made to last by RCM. HK no longer makes the 110-degree locking piece as they use...HKP-01465$33.95 -
RCM MP5K/SP89 9mm Full Auto Bolt Carrier
RCM
$146.95MP5K Full Auto Bolt Carrier - US- Made - RCM This part is machined from billet ordnance steel. Our US-made MP5K carrier is made to the most updated and latest MP5K F specs. Tungsten filled, heat...HKP-01190$146.95 -
RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug
RCM
$149.95RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug This is the only US-made non-threaded barrel that uses the same steel and Cold Hammer Forged (CHF) process as Heckler & Koch...HKP-01764$149.95 -
HKP SP5K Spec - Full Auto Bolt Carrier
RCM
$189.95HK SP5K Specification Full Auto Bolt Carrier - US Made Machined completely from billet ordnance grade steel. The HK SP5K carrier is made to the most updated and latest MP5K F specs that will fit the...HKP-17932$189.95