RCM
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On Sale
HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1
RCM
Now: $211.45Was: $234.95RCM HK33K (5.56/.223) Barrel - Threaded 15x1 Enhance your HK33K with the RCM 12.7" barrel, crafted from cold hammer-forged steel. The nitride finish provides exceptional corrosion and wear...Now: $211.45Was: $234.95 -
On Sale
HK45 Barrel - .45 ACP - 5.87" - Threaded 16x1 LH
RCM
Now: $225.00Was: $250.00RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH Upgrade your HK45 with the RCM Tactical .45 ACP barrel. Made from fully heat-treated 4140R steel, this barrel is double stress-relieved and coated...Now: $225.00Was: $250.00 -
Out Of StockOn Sale
HK45 Tactical Barrel - .45 ACP - 5.15" - Threaded .578x28 RH
RCM
Now: $225.00Was: $250.00RCM HK45 .45 ACP Tactical Barrel - Threaded .578x28 RH HK45 & HK45 Tactical threaded barrel compatible with a variety of flash hiders and sound suppressors. Unlike the factory HK45 Tactical...Now: $225.00Was: $250.00 -
Out Of StockOn Sale
HK45C Tactical Barrel - .45 ACP - 4.57" - Threaded .578x28 RH
RCM
Now: $225.00Was: $250.00RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH This HK45C & HK45C Tactical threaded barrel is designed for compatibility with a wide range of flash hiders and sound suppressors...Now: $225.00Was: $250.00 -
On Sale
HK45C, HK45C Tactical Barrel - .45 ACP - 5.6" - Threaded 16x1 LH
RCM
Now: $225.00Was: $250.00RCM HK45C/45C .45 ACP Tactical Barrel - Threaded 16x1 LH US-made HK45C & HK45C Tactical threaded barrel, compatible with a range of flash hiders and sound suppressors. Unlike the factory...Now: $225.00Was: $250.00 -
On Sale
HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH
RCM
Now: $148.45Was: $164.95RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH Crafted to precise HK51 specifications, this barrel utilizes HK's renowned cold hammer forged (CHF) process. Features include a knurled sight ring,...Now: $148.45Was: $164.95 -
On Sale
HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH
RCM
Now: $148.45Was: $164.95RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and...Now: $148.45Was: $164.95 -
On Sale
HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24
RCM
Now: $215.95Was: $239.95RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this...Now: $215.95Was: $239.95 -
On Sale
HK53 Barrel - 5.56 / .223 - 8.275" - Threaded 15x1
RCM
Now: $148.45Was: $164.95RCM HK 53 (5.56/.223) Barrel - Threaded 15x1 These are the finest US-made barrels available and come highly recommended by HKPARTS. Machined 100% in the USA, 922r compliant, and counts as 1 US-made...Now: $148.45Was: $164.95 -
On Sale
HK53 Bolt Carrier - Full Auto - US
RCM
Now: $323.95Was: $359.95Bolt Carrier - US - RCM - HK53 Brand new US manufactured new style HK53 factory bolt carrier. The finest HK53 carrier ever made with the latest & greatest German inspired improvements and updates...Now: $323.95Was: $359.95 -
On Sale
HK53 Locking Piece #15 - 65 Degree
RCM
Now: $44.96Was: $49.95RCM HK 53 Locking Piece #15 - 65 Degree The #15 LP is the correct locking piece for the HK53 and several other custom-build applications. The locking piece is the timing mechanism that a...Now: $44.96Was: $49.95 -
On Sale
HK53 Locking Piece #3 - 58 Degree
RCM
Now: $44.99Was: $49.99RCM HK 53 Locking Piece #3 - 58 Degree This is the proper locking piece for the HK33K and HK53 firearms as well as some HK51 builds.Now: $44.99Was: $49.99