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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$8.95 -
HK VP9, VP40 Grip Panel Left Side - Small - Black
H&K Heckler & Koch
$17.95H&K VP9, VP40 Grip Panel Left Side - Small - Black New HK German manufactured. Left side size small perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK...$17.95 -
HK21E, HK23E, HK11E, HK13E Hammer Spring
H&K Heckler & Koch
$19.95HK German HK21E, 23E, 11E & 13E Hammer Spring - German This is the heaviest HK hammer spring available for the roller lock family of firearms. The factory correct hammer spring for the beltfed series of firearms. Made in Germany and production has...$19.95 -
MM Registered Sear Pack - Re-Timed Hammer
Michaels Machines
$168.95MM Registered Sear Pack - Re-Timed Hammer - USA This part is the necessary addition for all registered sear conversions in 9mm, 40/10, 223, and.308 trigger packs. Protect your valuable investment by using the proper re-timed hammer for your sear pack...$168.95 -
HK VP9SK Magazine Locking Plate - 12 Round
$7.95H&K HK VP9SK Locking Plate for 12 Round Magazine New HK German factory part. This is the locking plate for the bottom of the magazine spring on the newer VP9SK 12 Round magazine. Great spares to have on hand to keep your magazines in tip top shape!$7.95 -
HK VP9, VP40 Grip Panel Left Side - Medium - Black
H&K Heckler & Koch
$17.95H&K VP9, VP40 Grip Panel Left Side - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K$17.95 -
HK USP Recoil Spring Retainer - Front
H&K Heckler & Koch
$14.95H&K HK USP Recoil Spring Washer Retainer This is the tapered washer that supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical Models HK Elite, Expert,...$14.95 -
HK Pistol Trigger Axle
H&K Heckler & Koch
$9.95HK Pistol Trigger Axle Compatible With: HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK P30 HK P30L HK P30SK HK P2000 HK P2000SK HK45 HK45 Compact$9.95 -
HK MP5 Magazine Release Lever Spring - 10mm and .40 S&W
H&K Heckler & Koch
$9.95H&K MP5 40/10 Magazine Release Lever Spring The needed spring that fits in the mag release lever and the magwell for the MP5 40/10 series. Made in Germany and no longer offered or made. These units are the latest design with the ground ends for...$9.95 -
HK MP5, MP5K, HK93, HK91 Handguard Retainer Screw - Tactical, Keymod, and M-LOK
PTR
$4.95PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.$4.95 -
Out Of Stock
HK45 Series, USP, USP Compact Series Complete Sear
H&K Heckler & Koch
$43.95Complete Sear Compatible With: HK USP Full-Size 9mm, .40 & 45 HK USP Compact 9mm, .40 & 45 HK45, HK45 Tactical HK45C, HK45C Tactical$43.95 -
HK VP9, VP9SK, HK VP40 Disconnector
H&K Heckler & Koch
$19.95Disconnector For HK VP9, VP40 Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40$19.95