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 Stock
HK Roller Sear For Burst Trigger Packs
H&K Heckler & Koch
$0.00H&K Roller Sear For Burst Trigger Packs New HK German Roller Sear for SEF & Navy trigger packs. This is the newer style "roller" type not the older friction type of sear. This item is also referred to as the catch with roller but more commonly...$0.00 -
Out Of Stock
HK MP5 Bolt Group - Complete - "Action 3"
H&K Heckler & Koch
$0.00H&K MP5 "Action 3" Bolt Group Complete New HK German MP5 "Action 3" Bolt Group Complete. Includes the following: MP5 Action 3 Bolt head complete, MP5 Full Auto Bolt Carrier (newer F style), MP5 Firing pin, MP5 Firing pin spring, 100 MP5 Degree...$0.00 -
HK Locking Roller -4 , 7.96mm
HKP HK Parts
$8.957.96mm - Undersized -4 Roller For HK Roller Lock Bolt HeadHK spec under-sized roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember the size you need to...$8.95 -
Out Of Stock
HK MP5, MP5K Bolt Head - Complete - Action 3
H&K Heckler & Koch
$0.00H&K MP5, MP5K Bolt Head Complete - Action 3 New and the latest manufacturer, just got a few in. They are rare and hard to find as they are now considered "restricted items" by HK. Each is a current HK produced bolt head complete. Perfect for the 9mm...$0.00 -
Out Of Stock
HK MP5 Bolt Head - Carrier - Action 3 - 9mm
H&K Heckler & Koch
$0.00MP5 9mm Bolt Carrier Action 3 Designed to be used with the standard recoil assemblies from an HK MP5 or HK94 model. Will work in clones and other factory-spec firearms. HK MP5 A2, A3, SD, and N models$0.00 -
Out Of Stock
HK MP5 Bolt Carrier - Full Auto - USED
H&K Heckler & Koch
$0.00HK MP5 Full Auto Bolt Carrier - USED Genuine German-made MP5 used bolt carrier. Compatible With: HK MP5$0.00 -
Out Of Stock
HK MP5 Firing Pin and Spring Set - Used
H&K Heckler & Koch
$0.00H&K MP5 Firing Pin and Spring Set - Used Used German HK MP5 Firing pin with new F/P Spring. Sold as a set, pull off's from trade in German MP5's.$0.00 -
Out Of Stock
HK MP5 Bolt Head - Gen 1 - Complete - Used
H&K Heckler & Koch
$274.95MP5 1st Generation Bolt Head Complete - Used Parts come from trade-in MP5's.$274.95 -
Out Of Stock
HK33, HK93 Recoil Rod Assembly Complete - Used
H&K Heckler & Koch
$0.00H&K 33, 93 Recoil Rod Assembly Complete - Used Genuine H&K German 33,93 used complete recoil rod assembly. Compatible With: HK33 HK93$0.00 -
Out Of Stock
HK33, HK93 Bolt Carrier Group - Full Auto - Complete
H&K Heckler & Koch
$0.00Heckler and Koch HK33, HK93 Full Auto Bolt Group Complete Latest German-manufactured full-auto bolt group for HK33 and HK93 platforms. This bolt carrier group includes all factory German components. Includes: Tungsten filled full-auto carrier-...$0.00 -
Out Of Stock
HK MP5, HK94 100 Degree Locking Piece-Used
H&K Heckler & Koch
$0.00H&K HK MP5, HK94 100 Degree Locking Piece-Used MP5 100 degree used surplus locking piece. Pulled from early HK German MP5 parts kits.$0.00