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 USC Magazine Release - .45 ACP
H&K Heckler & Koch
$19.95H&K USC (.45 ACP) Carbine Mag Release This is a great replacement as they are prone to breakage & wear. Please Note: For those that have a USC with a bullet button and are moving to a free state and want to revert back to the...HKP-02196$19.95 -
HK UMP, USC, G36, SL8 Sear
H&K Heckler & Koch
$29.95HK Complete Sear G36, UMP, USC & SL8 Genuine German Heckler & Koch part. Compatible With: HK UMP HK USC HK G36 HK SL8HKP-01850$29.95 -
HK MP5, MP5K Extractor - Coated and Polished
HKP HK Parts
$44.95HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...HKP-22181-M$44.95 -
HK G36, UMP Pistol Grip Storage Insert
USA
$16.95HK UMP & G36 Pistol Grip Storage Insert G36 & UMP pistol grip insert for all G36 & UMP lower housings. This is the piece that locks into place and fits in the bottom of the handle itself. This is a perfect storage location for paperwork,...HKP-20176$16.95 -
HK SL8, G36 Magazine Release Spring
H&K Heckler & Koch
$9.95HK German G36 & SL8 Magazine Release Spring A must have spare part. Compatible With: G36 SL8HKP-16344$9.95 -
HK Mark 23 Firing Pin Spring
H&K Heckler & Koch
$8.95HK Mark 23 Firing Pin Spring Compatible With: HK Mark 23 SOCOMHKP-01627$8.95 -
HK33, HK53, HK93 Magazine Spring - 30 Round
H&K Heckler & Koch
$8.45HK 93,33, & 53 Magazine Replacement Spring For Steel German HK 30-Round Magazines This is a hard-to-find and must-have spare part for your HK high-capacity mags. Please Note: Although not factory correct, these springs will work in the 25-round HK 93...HKP-14411$8.45 -
Out Of Stock
HK416, MR556, HK417, MR762 Selector Lever Clamping Sleeve - Ambi
H&K Heckler & Koch
$5.95H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve German H&K factory clamping sleeve for ambidextrous selector levers on MR556, MR762, HK416, and HK417. Compatible With: HK MR556 A1/A4 HK416 HK MR762 A1/A4 HK417HKP-22062$5.95 -
HK VP9, VP9SK, VP40 Trigger Safety Spring
H&K Heckler & Koch
$6.95H&K HK VP9/VP9SK, VP40 Trigger Safety Catch Elbow Spring Elbow spring for trigger safety catch VP9, VP9SK & VP40.HKP-16772$6.95 -
HK MP5 Magazine Release Lever Spring - .40 S&W / 10mm
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...HKP-18109$9.95 -
Out Of Stock
HK USPC, P2000 Magazine Floorplate - 9mm - 10 Round - Pinky Rest
H&K Heckler & Koch
$24.99H&K 10 Round HK USPC/P2000 9mm Floor Plate w/ Pinky Rest Compatible With: HK USP Compact 9mm HK P2000 9mmHKP-01201$24.99 -
HK416, MR556 Bolt Head Cam Pin
H&K Heckler & Koch
$31.95Heckler and Koch HK416 and HK MR556 Bolt Head Cam Pin New factory HK German manufactured cam pin for bolt group. A common wear and replacement item. Compatible With: HK 416, MR556 HK 416 A5 HK M27HKP-02539$31.95