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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HK33, HK53, HK93 Rear Sights Windage Screw
H&K Heckler & Koch
$4.95H&K Rear Sights Windage Screw - HK 90 Series This is a hard-to-find rear sight screw new from HK Germany - not surplus.HKP-00867$4.95 -
HK G36, SL8 Push Pin for Handguards, Lowers, Magwells
H&K Heckler & Koch
$18.95HKP HK G36, SL8 Forearm, Lower, Magwell U.S Push Pin U.S. made G36 push pin finished in black oxide. This push pin is also required for converting the SL8 to a G36. G36's use three of these factory push pins per rifle whereas the SL8 has two.HKP-20730$18.95 -
HK VP9, VP9SK Left Side Charging Support
H&K Heckler & Koch
$5.95Charging Support, Cocking Aid - Left Side - VP9 & VP9SK Replacement cocking aid for the slide. German HK. Compatible With: VP9 VP9 Tactical VP9SKHKP-16824$5.95 -
HK45, HK45C, USPC Magazine Floorplate - .45 ACP - 10 Round
H&K Heckler & Koch
$14.95H&K 10 Round HK USPC/45C 45 Magazine Floorplate Each floor plate is the new style rubberized floorplate for enhanced life. A great spare part to have on hand for repair and replacement of parts. This floorplate is commonly called the "elephant foot"...HKP-02210$14.95 -
HK USP Optic Plate - Burris FastFire - Red Dot Pistol Mount
HKP HK Parts
$49.95HKP HK USP Red Dot Pistol Mount Red Dot mounting plate to allow the use of a Burris Fast Fire, Docter, Vortex Venom or other similar specs Red Dot Sights. Compatible With: HK Full Size - USP 9mm HK Full Size - USP .40 HK Full Size - USP .45 (Not...HKP-18898$49.95 -
HK Locking Washer - Rear Sights
HKP HK Parts
$2.95HKP Rear Sights Locking Washer HK German rear sights toothed locking washer used in perfect working order.HKP-00869$2.95 -
Out Of Stock
HK MP5, MP5K Contact Piece for Paddle Mag Release - 9mm - US
HKP HK Parts
$15.95HK MP5, MP5K 9mm Contact Piece - USA Factory correct US manufactured MP5, MP5K 9mm Contact Piece for Paddle magazine release. Each part was made using the same material and manufacturing methods used on the German HK latest production parts. Hard to find...HKP-17403$15.95 -
M-LOK Rail Section - 3 Slots
Magpul
$18.95Magpul M-LOK 3 Slots Rail Section Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-20495$18.95 -
HK MP5, G3, PTR, HK93 Push Button for Magazine Catch
H&K Heckler & Koch
$8.95Push Button For Magazine Catch Compatible With: G3 91 MP5 MP5K SP5K-PDW (For SP5K's not equipped with the paddle release, purchase this kit) 94 93 33 PTR, Clones, ETC.HKP-01833$8.95 -
HK416, MR556 HK417, MR762 Firing Pin Spring
H&K Heckler & Koch
$14.95H&K MR556/MR762/416/417 Firing Pin Spring This part is great to have on hand as this item is a high wear and replacement part and one of the most common breakage parts on the HK 416/MR556 rifles. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK...HKP-00928$14.95 -
HK German Roller +2 - Used - 8.02mm
H&K Heckler & Koch
$7.95H&K German Roller +2 - Used - 8.02mm Used HK standard (8.02 mm) locking roller. The proper roller size is essential for proper bolt gap. HK German Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...HKP-19366$7.95 -
HK VP, HK45 Series Extractor Spring
H&K Heckler & Koch
$5.95HK VP9/45/P Series Extractor Spring A must-have repair and replacement part and a recommended part to change out when doing routine maintenance on your HK pistol. Compatible With: HK45 HK45C HK P30/P30L HK P30SK HK P2000 HK P2000SK HK VP9 HK VP9A1 F HK...HKP-01501$5.95