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 P30 Grip Wrap for Small Backstraps - Granulate
Talon Grip
$19.99TALON Grip - H&K P30 - Granulate Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...HKP-20255$19.99 -
HK VP9, VP40 Grip Wrap for Small Backstraps - Rubber
Talon Grip
$19.99TALON Grip - HK VP9, VP40 - Rubber Black - Small Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20248$19.99 -
HK417, MR762 Cartridge Extractor
H&K Heckler & Koch
$94.95H&K HK MR762/417 Cartridge Extractor Compatible With: HK MR762 HK 417HKP-16842$94.95 -
HK45, HK45 Compact Extractor
H&K Heckler & Koch
$49.95German HK45 & HK45C Extractor - New A great spare and replacement part to have. Compatible With: HK45 Tactical HK45 HK45 Compact Tactical HK45 CompactHKP-01298$49.95 -
HK USP Control Decock Only V4 Safety Lever
H&K Heckler & Koch
$44.95H&K HK USP Control Decock Only V4 Safety Lever Lever for left-handers to have the de-cocker (no safety) function. The control lever fits on the right side of the frame. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACPHKP-01417$44.95 -
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 -
HK45, HK45 Compact, USP, USP Compact LEM Hammer
H&K Heckler & Koch
$69.95HK USP, USPC, 45, & 45C LEM Hammer LEM Hammer Fits The Following HK Pistols: USP USPC HK45 HK45CHKP-02705$69.95 -
HK USC (.45 ACP) Carbine Mag Release Axle
H&K Heckler & Koch
$18.95HK German USC Magazine Release Axle This is a great replacement as they are prone to breakage and wear. These are also a missing part in some states where bullet buttons are required. This part is compatible with all HK USC...HKP-02584$18.95 -
HK USC Locking Lever Axle - .45 ACP
H&K Heckler & Koch
$29.95HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowersHKP-16376$29.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch
H&K Heckler & Koch
$36.95HK UMP & USC Bolt Catch New HK German lower. Compatible With: HK UMP HK USCHKP-01897$36.95 -
Out Of Stock
HK MP5 Catch Screw, Bolt or Mag Follower - 10mm and .40 S&W - Threaded
H&K Heckler & Koch
$34.95MP5 40/10 Threaded Bolt Catch For Magazine Follower This is the small threaded screw that fits into the bolt-hold-open axle and makes contact with the magazine follower to activate the bolt-hold-open. A small but critical part is to keep spares on hand,...HKP-00454$34.95 -
HK MP5 40, 10 Roller - -4
H&K Heckler & Koch
$19.95HK German MP5 40/10 -4 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 listed is per roller. Order 2 (pair) for a complete set for...HKP-00337$19.95