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 MP5SF Bushing Sleeve - Elbow Spring
H&K Heckler & Koch
$5.95Heckler and Koch replacement distance sleeve for MP5SF elbow spring with roller Features: Precision-machined elbow spring and roller used in traditional roller-delayed trigger packs. Original HK design ensures perfect trigger geometry, smooth...HKP-03330$5.95 -
HK USP 9mm, 40 S&W Recoil Spring
H&K Heckler & Koch
$9.95HK USP 9mm/40 S&W Recoil Spring It is the factory 12-12.5 lb. recoil spring. Fits the 9mm or .40 USP pistols and can also be used as a reduced-weight spring for the HK USP .45 pistol. A great replacement item that should be...HKP-02067$9.95 -
HK VP9, VP9L Optic Plate Cover - Filler Plate
HKP HK Parts
$29.95HK VP9 & VP9L Optic Ready Slide Filler Plate - Aluminum Each plate is CNC machined from a solid billet of aircraft-grade aluminum and anodized black. Ultra lightweight and contoured to match the profile and styling of the HK VP series slide. Made in...HKP-21077-M$29.95 -
HK USPC, P2000 Magazine Floorplate - 9mm -13 Round - Pinky Rest
H&K Heckler & Koch
$22.95New HK German Magazine Floorplate With Finger Rest Compatible With: HK USP Compact 9mm 13-round magazine HK P2000 9mm 13-round magazineHKP-00969$22.95 -
HK33, HK53, HK93 Extractor
RCM
$29.95RCM HK 93/53/33 (5.56/.223) Extractor New US-made HK RCM HK 93, HK 33, HK 53 .223/5.56 Extractor. Each unit is made with an enhanced material and polished for optimum feeding and extraction. This is simply the finest HK93,33,53 extractor available. A...HKP-14962$29.95 -
HK P2000, USPC Magazine Spring - 12 Round - .40 S&W
H&K Heckler & Koch
$5.95HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies. Compatible With: HK P2000 .40 S&W 12-round...HKP-01481$5.95 -
HK USP Left Side V3 Decocking Lever
H&K Heckler & Koch
$59.95H&K HK USP Left Side V3 Decocking Lever V3 decock only lever for right-handed operation. German HK V3 lever for full-size USP's. When used along with the V3 - V4 detent plate, it will convert to decock only - no safety. For use with right-handed...HKP-01168$59.95 -
HK USP Detent Plate - V5, V6, V9, V10
H&K Heckler & Koch
$19.95HK Detent Plate For USP Variant 5, 6, 9, & 10 Conversions This plate, when installed, will allow you to have the "safety" only and NO decock function on your pistol. This plate will fit and work for both left-hand and right-hand setups. Compatible...HKP-01247$19.95 -
HK MP5, MP5K Magazine Release Paddle - Anti-Rattle Roller-Tip - 9mm
H&K Heckler & Koch
$64.95German HK MP5, MP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Factory German Paddle mag release for all 9mm MP5, MP5K HK builds. Our parts are made by HK in Germany and are factory-fresh production. Compatible With: MP5, 94, HK SP5 MP5K, SP89,...HKP-00117$64.95 -
On Sale
Thread Protector - .40 S&W - Tactical - 14.5x1 LH
HKP HK Parts
Now: $11.95Was: $24.95HKP .40 S&W Tactical Thread Protector - Threaded 14.5x1 LH Fits all HK barrels that are threaded 14.5x1 LH. This is the correct thread protector for all the HK .40 S&W metric threaded barrels. This will also fit non HK related barrels as well...HKP-00298Now: $11.95Was: $24.95 -
HK416, MR556 Takedown Pin - Front - A1 Style
H&K Heckler & Koch
$64.95H&K HK MR556 Front Lower Receiver Locking Pin With Spring Loaded Detent This part is the front (large) takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and...HKP-02663$64.95 -
HKP +7 HK 45C, USPC .45 ACP Magazine Extension
HKP HK Parts
$59.95HKP +7 HK 45C, USPC .45 ACP Magazine Extension HK Parts magazine extension +7 adds 7 additional rounds to the HK45C, 8 round magazine. Each unit can then be fully assembled into a 15 round HK45C magazine. Ideal for competitive shooters, concealed carry,...HKP-21807-M$59.95