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 MP5, HK94, SP5 Magazine Spring - 10 Round
H&K Heckler & Koch
$6.9510 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazinesHKP-19454$6.95 -
HK45, HK45C Detent Plate for Variant 1, 2
H&K Heckler & Koch
$14.50Detent Plate For HK45, HK45C Variant 1, 2 Compatible With: HK45 HK45 CompactHKP-01807$14.50 -
HK P30 Recoil Rod Compression Spring
H&K Heckler & Koch
$7.95H&K HK P30 Recoil Rod Compression SpringHKP-16653$7.95 -
Out Of Stock
HK USP Hammer Spring
H&K Heckler & Koch
$7.95H&K HK USP Hammer Rebound Spring For use on DAO only NOT LEM hammers for the following pistols. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45...HKP-16678$7.95 -
HK416, HK417, MR556, MR762 Pin Look Index
H&K Heckler & Koch
$6.95H&K HK 417/MR556/416/MR776 Pin Look Index Compatible With: HK MR556 HK 417 HK MR556HKP-02639$6.95 -
Out Of Stock
HK VP9 Match Firing Pin - Complete
H&K Heckler & Koch
$69.95Heckler and Koch Complete Firing Pin for your VP9 Match Complete firing pin assembly including firing pin, sleeve, spring, and shell spring washers. Compatible With: HK VP9 Match HK VP9 HK HK VP9L HK VP9SKHKP-22320$69.95 -
$8.95 -
HK45, USP, P2000 Sear Axle
H&K Heckler & Koch
$13.95Sear Axle Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP HK USP Compact LEM HK45 HK45 Compact HK P2000 9mm HK P2000 .40 S&W HK P2000 .357...HKP-01251$13.95 -
HK G36, SL8 Bolt Head Ejector - USA
$13.95HK G36/SL8 Ejector For All G36, SL8 bolts -US MadeHKP-18371$13.95 -
Out Of Stock
HK MP5 Locking Roller +2 - .40 S&W, 10mm
H&K Heckler & Koch
$19.99H&K Heckler and Koch +2 Roller for HK MP5 40,10 New HK German MP5 40,10 +2 roller. Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production. Please Note: The price...HKP-00334$19.99 -
Out Of Stock
HK UMP Stock Block B Push Pin
HKP HK Parts
$34.95Stock Block B Sling Pin With Loop washer & Quick Pull Pin for UMP/USC (.40 S&W/ .45 ACP/9mm)HKP-21249$34.95 -
HK45, HK45 Compact, USP Disconnector
H&K Heckler & Koch
$9.95HK German USP 45, HK45, & HK45C Disconnector Compatible: HK45 USP9 USP40 USP45 USP Compact 9 USP Compact 40 USP Compact 45HKP-01175$9.95