RCM
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On Sale
HK MP5, MP5K, HK94K, SP89 Bolt Head - 9mm
RCM
Now: $199.75Was: $221.95HK MP5, 94, MP5K, & SP89 9mm - Complete Bolt Head Each bolt head incorporates a mixture of the finest quality US-made and factory German HK parts, making a new complete bolt head ready for use...Now: $199.75Was: $221.95 -
On Sale
HK MP5, MP5K, SP89 Bolt Carrier - Full Auto - 9mm
RCM
Now: $134.95Was: $149.95MP5K 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...Now: $134.95Was: $149.95 -
On Sale
HK MP5, SP5 Locking Piece #27 - 90 degree
RCM
Now: $31.46Was: $34.95HK MP5, SP5 Locking Piece #27 - 90 degree Machined and properly heat treated from ordnance grade steel. A must have component for users running a suppressed set up or cycling a variety of...Now: $31.46Was: $34.95 -
On Sale
HK MP5K Barrel - .40 S&W - Threaded 14x.75 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5K .40 cal. Crafted from top-grade CHF 41v40 material,...Now: $251.95Was: $279.95 -
On Sale
HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance...Now: $251.95Was: $279.95 -
On Sale
HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it...Now: $251.95Was: $279.95 -
On Sale
HK MP5K Bolt Carrier - Full Auto - 10mm and .40 S&W
RCM
Now: $142.16Was: $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,...Now: $142.16Was: $157.95 -
On Sale
HK MP5K Locking Piece - #28, 80 Degree
RCM
Now: $31.46Was: $34.95RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree This part is used in conjunction with a suppressor and 147-grain or heavier ammunition. This item is made 100% here in the US from...Now: $31.46Was: $34.95 -
On Sale
HK MP5K Recoil Rod Assembly
RCM
Now: $49.46Was: $54.95RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible...Now: $49.46Was: $54.95 -
On Sale
HK MP5K Semi Auto Carrier
RCM
Now: $132.25Was: $146.95RCM HK MP5K Semi Auto Carrier MP5K, SP89 semi-auto carrier machined completely from billet ordnance steel. RCM's US made MP5K carrier is made to the most updated and latest MP5K specs and more...Now: $132.25Was: $146.95 -
On Sale
HK MP5K, MP5KN Barrel - 9mm - 5.85" - Threaded 1/2x28 with 3 Lug
RCM
Now: $148.45Was: $164.95RCM HK MP5K/N 9mm Barrel - Threaded 1/2x28 - 3-Lug Machined from a cold hammer forged blank to the latest MP5KN PDW specifications, this barrel features factory-correct, updated 16 flutes in...Now: $148.45Was: $164.95 -
On Sale
HK MP5K, SP5K, SP89 Barrel 9mm - 5.85" - 3 Lug
RCM
Now: $134.95Was: $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...Now: $134.95Was: $149.95