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 90 Series Hammer - MP5/G3/93/53/33 - German - Used
H&K Heckler & Koch
$29.95Hammer, Full Auto HK 90 Series Trigger Packs - German HK - Used German HK Hammer- used, surplus in VG-EXC shape and in perfect working order. This hammer is the hammer that is most commonly used in semi auto trigger packs as the secondary sear catch is...$29.95 -
Out Of Stock
HK VP9, P Series Extractor
H&K Heckler & Koch
$54.95HK VP9/P Series Extractor Brand new factory HK German with red loaded chamber indicator present. Compatible With: HK VP9, VP9 Tactical, VP9SK HK VP9A1 F, VP9A1 K HK P30, P30L, P30S & P30SK HK P2000 HK P2000SK$54.95 -
HK UMP, USC Stock Axle Pin
H&K Heckler & Koch
$30.95HK German UMP Rear Stock Axle Pin This is the HK factory German stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...$30.95 -
HK USP Compact Ambidextrous Control Lever Set
H&K Heckler & Koch
$74.95H&K HK USP Compact Ambidextrous Control Lever Set Includes left and right side control lever as well as the spring pin. This item can be installed on either full-size or compact pistols. The USPC Ambi set has a slightly lower profile for those who...$74.95 -
HK USP, USP Compact Match Hammer
H&K Heckler & Koch
$103.95HK Match Hammer This is the factory-correct match hammer marked with the factory-correct "S" marking on the left-hand side of the hammer. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W...$103.95 -
Out Of Stock
HK P Series Cocking Piece LEM
H&K Heckler & Koch
$69.95HK P Series Cocking Piece LEM Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK$69.95 -
HK Ambidextrous Sling Pin O-Ring
H&K Heckler & Koch
$1.95H&K Ambidextrous Sling Pin O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. This item is a common wear/breakage part that does need to be replaced from time to time. This is the part that creates the + seal to keep...$1.95 -
HK VP9, VP9SK, VP40 Enhanced Slide Cap - Red
HKP HK Parts
$29.95Enhanced Slide Plate Cover VP9, VP9SK & VP40 - HK Red Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model covers has no firing pin viewing window and is enlarged as MUCH as possible to seal the firearm from dirt and debris. That can enter...$29.95 -
HK VP9, VP9SK Cocking Aid Filler Left, Right Set
H&K Heckler & Koch
$19.95Cocking Aid Filler Piece Set For - HK VP9, VP9SK HK VP9/VP9SK Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP9 pistol. These are a drop in part for the HK VP9 pistol. Brand new...$19.95 -
HK45, HK45C, P30, P2000 , USP Flat Spring
H&K Heckler & Koch
$9.95HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...$9.95 -
HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Spring For Bolt Head
H&K Heckler & Koch
$4.95HK Bolt Carrier Bolt Locking Lever Spring New HK German factory bolt carrier locking lever spring for locking lever latch. Compatible With: HK G3, HK91 PTR models HK93, 33, 53 Other clones and custom builds$4.95 -
HK P7 Series Firing Pin Spring
H&K Heckler & Koch
$7.95HK P7 Series Firing Pin Spring This item is a great spare to keep on hand, as this item is considered a high-wear item by HK. Compatible With: HK P7 PSP HK P7 M8 HK P7 M10 HK P7 M13$7.95