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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HK416, MR556 Ejector Port Cover Pin
H&K Heckler & Koch
$19.95Heckler and Koch Ejector Port Cover Axle Pin for HK416 and HK MR556 Compatible With: HK416, MR556HKP-02661$19.95 -
HK33, HK33K, HK93 Recoil Spring
H&K Heckler & Koch
$8.95HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33KHKP-02097$8.95 -
HK MP5, HK90 Series Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring...HKP-17980$4.95 -
USP, USPC Detent Plate - V1, V2
H&K Heckler & Koch
$12.95Detent Plate For V1 & V2 This will provide the safety and decocking functions for both the left and right side selector levers for the HK pistols below. Compatible With:HKP-01171$12.95 -
HK VP9, VP9SK, VP40 Trigger Bar
H&K Heckler & Koch
$55.95H&K HK VP9/VP9SK, HK VP40 Trigger Bar Compatible With: HK VP9 HK VP9SKHKP-16780$55.95 -
HK VP9 Series Magazine Catch
H&K Heckler & Koch
$24.95Heckler and Koch Magazine Catch for HK VP9 and HK VP40 New HK German manufacture. Compatible With: VP9HKP-16817$24.95 -
HK45, P30, P30L, P30SK Magazine Release
H&K Heckler & Koch
$15.95Heckler and Koch Magazine Release for HK45 and HK P30 Compatible With: HK45 HK45 TacticalHKP-01809$15.95 -
HK90 Series Compression Rod for Burst Trigger Packs
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one...HKP-01047$29.95 -
HK UMP, USC Cocking Lever Spring
H&K Heckler & Koch
$8.95Heckler and Koch Cocking Lever Spring for HK UMP and HK USC A great spare part to have on hand. Compatible With: UMP9HKP-01886$8.95 -
HK USP Compact Recoil Rod Assemblies Snap Ring
H&K Heckler & Koch
$7.95HK USPC Recoil Rod Assemblies Snap Ring A great item to have on hand as they are prone to falling off when doing scheduled maintenance and cleaning on the recoil assemblies. Compatible With:HKP-01944$7.95 -
Out Of Stock
HK MP5, MP5K Paddle Mag Release Contact Piece
H&K Heckler & Koch
$59.95Heckler and Koch 9mm Contact Piece for Paddle Mag Release for HK MP5 and HK MP5K - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correcHKP-00118$59.95 -
HK416, MR556 FFRS Retaining Spring
H&K Heckler & Koch
$9.99Heckler and Koch HK MR556/HK416 FFRS Retaining Spring The retainer spring retains the handguard locking pin on the Free Floating Rail System (FFRS). These can become damaged with the removal of the...HKP-02617$9.99