Bolt Carrier Groups
Discover top-quality Heckler and Koch bolt carrier groups at HK Parts, including the HK MP5 bolt carrier, HK G3 bolt carrier, and HK93 bolt carrier. Explore our selection of full auto bolt carriers, enhanced bolt carriers, and tungsten-filled bolt carriers for models like the HK416, HK91, and HK MR556. Ensure reliability with factory HK bolt carriers and US-made bolt carriers. Shop now for chrome-lined bolt carriers, firing pin assemblies, and complete bolt heads to maintain 922r compliance and superior performance.
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Out Of StockOn Sale
HK33, HK53, HK93 Bolt Carrier - Full Auto - Buffered Style - Used
H&K Heckler & Koch
Now: $311.36Was: $345.95HK German production HK German HK33, 33K, 93 Full Auto Bolt Carrier Used Buffered Style Hard to find, vintage HK German buffered style F/A bolt carrier. Perfect for a spare or to upgrade your clone or conversion to the factory correct latest style bolt...Now: $311.36Was: $345.95 -
On Sale
HK G36 Bolt Group - Semi-Auto - Complete
GSG9
Now: $719.96Was: $799.95GSG9 - HK G36 Semi-Auto Bolt Group Compatible With: HK G36 HK G36K HK G36C This will not work with a HK SL8.Now: $719.96Was: $799.95 -
On Sale
HK21E, HK11E Firing Pin - Titanium
HKP HK Parts
Now: $39.96Was: $49.95HK21E, MM21E, 11E Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK weapon system. Get the lightest,...Now: $39.96Was: $49.95 -
On Sale
HK417, MR762, G28 Firing Pin
H&K Heckler & Koch
Now: $58.46Was: $64.95H&K HK MR762/417/G28 Firing Pin This firing pin is a must have wear and tear replacement item for your MR762 or HK 417 Firearm. Compatible With: MR762 HK 417 G28Now: $58.46Was: $64.95 -
On Sale
HK G36, SL8, HK417, MR762 Bolt Head Ejector
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K HK G36/SL8/MR762/417 Bolt Head Ejector Compatible With: HK MR762 HK 417 HK G36 HK SL8Now: $17.95Was: $19.95 -
On Sale
HK23E, HK13E Firing Pin - Titanium - US
HKP HK Parts
Now: $39.96Was: $49.95HK23E, MM23E, 13E Firing Pin - Titanium Grade 6 weapons grade titanium manufacture. Made in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK weapon system. Get the lightest, strongest firing...Now: $39.96Was: $49.95 -
On Sale
HK G36, SL8 Ejector Spring
H&K Heckler & Koch
Now: $32.36Was: $35.95HK G36 & SL8 Series Ejector Spring - HK German This is a great item to have on hand as this part is prone to wear and breakage.Now: $32.36Was: $35.95 -
On Sale
HK G3 Recoil Rod - Demilled
H&K Heckler & Koch
Now: $16.69Was: $18.54H&K HK G3/91 Recoil Rod - Demilled These recoil rods were demilled from damage or broken end caps. Fully functional and sitll assembled with the spring, roll pins, nylon ring and captive pin. Perfect to have on hand for spares or custom builds.Now: $16.69Was: $18.54 -
On Sale
Ruger 10/22 Bolt Shroud - Bronze
Tactical Precision MFG
Now: $20.96Was: $66.99Tactical Precision MFG Ruger 10/22 Bronze Bolt Shroud This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5...Now: $20.96Was: $66.99 -
On Sale
HK417, MR762 Cam Pin
H&K Heckler & Koch
Now: $58.46Was: $64.95H&K HK MR762/HK417 Cam Pin Compatible With: HK MR762 HK 417Now: $58.46Was: $64.95 -
On Sale
HK UMP, USC Bolt Catch Spring
H&K Heckler & Koch
Now: $8.05Was: $8.95HK UMP & USC Bolt Catch Spring Compatible With: HK UMP HK USCNow: $8.05Was: $8.95 -
On Sale
HK21E, HK23E, 11E Locking Piece #9 - 40 Degree
H&K Heckler & Koch
Now: $134.95Was: $149.95New HK German #9 Locking Piece The number 9 locking piece is 40 degrees. This will work with both .223 & .308 firearms and for custom builds and applications. This item is no longer available from HK and is out of production. Compatible With:...Now: $134.95Was: $149.95