Small Parts
Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.
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HK416, MR556, HK417, MR762 Clamping Sleeve
H&K Heckler & Koch
$5.95H&K HK 416/417/MR556/MR762 Clamping Sleeve Compatible With: HK416 HK417 MR556 MR762HKP-16618$5.95 -
HK UMP, USC Firing Pin Assembly - Complete
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95 -
HK90 Series Compression Rod for Burst Trigger Packs
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
HK USP Magazine Locking Plate - 9mm / .40 S&W - High Capacity
H&K Heckler & Koch
$6.95HK USP 9mm / .40 S&W High Capacity Magazine Locking Plate Compatible With: HK USP 9mm HK USP .40HKP-02165$6.95 -
HK VP9, VP9SK, VP40 Trigger Bar
H&K Heckler & Koch
$55.95H&K HK VP9/VP9SK, HK VP40 Trigger Bar Compatible With: HK VP9 HK VP9SK HK VP40HKP-16780$55.95 -
HK416, MR556 Ejector Port Cover Pin
H&K Heckler & Koch
$19.95Heckler and Koch HK416 and HK MR556 Ejector Port Cover Pin Compatible With: HK416, MR556HKP-02661$19.95 -
On Sale
HK MP5, HK90 Series Ejector Lever Axle
MKE
Now: $13.46Was: $17.95MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling. Fits all of the following 90 series trigger packs: SEF, O,1 Navy BurstHKP-22241Now: $13.46Was: $17.95 -
HK MP5, SP5K Extractor - 9mm
MKE
$19.95MKE HK MP5/K 9mm Extractor Keep your MP5 or MP5K running strong with this MKE 9mm extractor. Perfect for replacing a worn part or completing a build, it’s made to HK specs for smooth, reliable performance you can count on. Compatible With: HK MP5,...HKP-21919$19.95 -
Out Of Stock
HK VP9 Rubber Extractor Plug
H&K Heckler & Koch
$4.95HK VP9 Rubber Extractor Plug This part is the rubber buffer found on the inside of the extractor spring to help keep positive tension on the extractor. It's a must-have repair and replacement item.HKP-01849$4.95 -
HK VP9, VP9SK, VP40 Trigger Safety Latch Axle
HKP HK Parts
$3.95Axle For Trigger Safety Latch VP9, VP9SK & VP40 HK German factory part. This pin is the axle pin for the safety latch in the VP trigger. Compatible With: HK VP9 HK VP9 Tactical HK VP40 HK VP40 Tactical HK VP9SKHKP-16778$3.95 -
Out Of Stock
HK Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
$13.95HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...HKP-17572$13.95 -
HK MP5F, MP5 40,10 Factory Recoil Spring
H&K Heckler & Koch
$14.95HK German MP5 F 9mm & MP5 40/10 Recoil Spring - New Updated Version New latest HK German manufacture MP5 40/10 replacement recoil spring. Hard to find and a high wear and replacement item. Each spring replaces the MP5F recoil spring for the MP5 9mm...HKP-01061$14.95