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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HK VP9, VP9SK, VP9 Match, VP9 Tactical, VP40, VP40 Tactical Magazine Release/Catch
H&K Heckler & Koch
$24.95H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK HK VP40, VP40 Tactical$24.95 -
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 .40$6.95 -
HK VP9, VP9SK, VP40 Left Side Slide Release Lever
H&K Heckler & Koch
$19.95H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black New HK VP series German left side slide release lever for slide. Compatible With: HK VP9, VP9L HK VP9SK HK VP9A1 F HK VP9A1 K HK VP40$19.95 -
Out Of Stock
HK Mark 23, SOCOM Firing Pin - Titanium
HKP HK Parts
$49.95Ultimate Firing Pin Mark 23, Socom - Titanium - Grade 6 A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium...$49.95 -
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 VP40$55.95 -
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...$13.95 -
HKMP5, MP5K, HK91, G3, HK33 Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...$4.95 -
HK416 Ejection Port Axle
H&K Heckler & Koch
$4.95Ejection Port Axle - Steel- HK 416 New HK USA manufacture for the HK 416 family of firearms. This is the axle that holds the ejection port cover in place on the upper receiver.$4.95 -
HK VP9, VP9SK, VP40 Elbow Spring, Drop Safety
H&K Heckler & Koch
$6.95H&K HK VP9/VP9SK, VP40 Drop Safety Elbow Spring Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40$6.95 -
HK P30, P2000 Trigger Bar Detent Spring
H&K Heckler & Koch
$5.95HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK$5.95 -
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...$29.95 -
HK 416, MR556, G36, SL8 Gas Piston
Nefarious Arms
$74.95Nefarious Arms HK G36/SL8/HK 416/MR556 Gas Piston A great spare, upgrade, or replacement part for your HK. Includes 3 piston rings for a complete drop in replacement part. TiN coated for corrosion resistance. Compatible with: HK G36 HK416 HK...$74.95