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
HK21E, HK23E, PSG1, PTR Extractor
Michaels Machines
$275.95Michaels Machines HK21E, HK23E, PSG1, MSG90 Extractor Replacement extractor for HK21E, HK23E, PSG1, and MSG90 bolt heads. Extractors are a known wear item on these platforms and are no longer produced by HK. The Michaels Machines extractor is a precise,...HKP-21632$275.95 -
HK G41 Firing Pin Spring
H&K Heckler & Koch
$9.95HK G41 Firing Pin Spring Compatible With: HK G41HKP-16060$9.95 -
Out Of Stock
HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223
H&K Heckler & Koch
$129.95HK21E, 11E, PSG1, MSG90 Factory German HK ExtractorHKP-00250$129.95 -
HK MSG90 Locking Roller -4 - 7.96mm Set -Titanium
H&K Heckler & Koch
$329.95MSG90 (7.62x51/.308) -4 Rollers 7.96mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers...HKP-02451$329.95 -
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $19.95Was: $44.95HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm. Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...HKP-99062Now: $19.95Was: $44.95 -
$24.95 -
HK21E, HK11E, PSG1, MSG90 Firing Pin
H&K Heckler & Koch
$119.95HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...HKP-01758$119.95 -
HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm - USA
HKP HK Parts
$149.95HKP MP5.40 S&W, 10mm Full Auto Bolt Carrier Machined completely from billet ordnance steel and black oxide finished. This carrier is made to the latest specs, tungsten filled, and heat treated. Made in the USA and available exclusively at HK...HKP-18363$149.95 -
Out Of Stock
HK MP5K, SP89 Recoil Guide Rod - Stripped
H&K Heckler & Koch
$14.95New HK German MP5K, SP89 Recoil Guide Rod Bar Incomplete Recoil spring rod stripped. Compatible with all MP5K & SP89 recoil springs.HKP-01693$14.95 -
On Sale
HK21 Bolt Carrier - Stripped - Incomplete
FMP HK CONTRACT
Now: $387.95Was: $499.95FMP HK 21 Stripped Bolt Carrier New old stock stripped HK21 FMP Full auto bolt carrier. Missing the catch lever assembly (see pictures). May have storage marks or light rust on the unfinished bottom portion. Long since out of production and no longer...HKP-20034Now: $387.95Was: $499.95 -
Out Of Stock
HK G36, SL8 Extractor Rubber Pin
H&K Heckler & Koch
$0.00Heckler and Koch HK G36 and HK SL8 Extractor Rubber PinHKP-02162$0.00 -
Out Of Stock
HK G36 Bolt Head, Complete
GSG9
$0.00G36 Bolt Head - Complete - USA G36 Bolt Head allows the use of double stack magazines in your SL8 conversion to high capacity G36, Magpul or AR15 Magazines. Perfect for the G36 conversions or for a spare part to have on hand. Made in the USA from 9310,...HKP-18983$0.00