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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HK416, MR556 Firing Pin Catch - Titanium
HKP HK Parts
$49.95HKP HK Parts HK416 and HK MR556 Firing Pin - Titanium Made in the US from grade 6 Titanium. Get the lightest, strongest firing pin available for your HK firearm. Compatible With: HK416, MR556 HK M27HKP-17767$49.95 -
Out Of Stock
HK UMP Caliber Conversion to 9mm Kit - 16.5" Barrel - 30 Round Magazine
Michaels Machines
$889.95HK UMP 9mm Conversion Kit - US-Made UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in, with the total swap...HKP-02284$889.95 -
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 MP5 Recoil Rod Bushing - .40 S&W / 10mm, .357 SIG
H&K Heckler & Koch
$9.95New HK German MP5 40/10/.357 Recoil Rod Guide Ring Bushing For all MP5 40/10 & MP5F Recoil Rods. These will wear and become brittle and torn with age and use. A great item to have on hand for spare parts.HKP-00441$9.95 -
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 -
HK MP5, AP5 Recoil Rod
MKE
$64.95MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...HKP-99343$64.95 -
HK UMP Recoil Rod Spring
HKP HK Parts
$9.95HKP UMP Recoil Rod Spring Upgrade or replace your UMP recoil system with this high-quality recoil rod spring from HK Parts. Whether you're maintaining a factory setup or enhancing a custom build, the HKP recoil rod spring is a perfect fit for UMP-style...HKP-22089$9.95 -
On Sale
HK UMP Bolt Carrier - Semi-Auto - Complete - .45 S&W
OMEGA
Now: $224.95Was: $359.95Omega HK UMP .45 Bolt Carrier Complete - Semi Auto Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Compatible With: HK UMP .45 Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin The...HKP-21316Now: $224.95Was: $359.95 -
$24.95 -
On Sale
HK UMP Bolt Group - .40 S&W - Used
H&K Heckler & Koch
Now: $477.95Was: $649.95German UMP .40 factory F/A Bolt Group - Complete This item is used in very good shape.HKP-00601Now: $477.95Was: $649.95 -
HK PSG1, MSG90 Ejector Lever
H&K Heckler & Koch
$79.95Heckler and Koch Ejector Lever for HK PSG1, MSG90 German-made ejector lever for PSG1 and MSG90 platforms. Direct replacement part built to original factory-spec for reliable extraction and correct bolt head function. Compatible With: PSG1, MSG90HKP-00537$79.95 -
HK MP5 Bolt Carrier - Full Auto - .40 S&W / 10mm - USA
HKP HK Parts
$149.95HKP MP5 40/10 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 Parts...HKP-18363$149.95