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, HK91, G3 Recoil Rod Stop Pin
H&K Heckler & Koch
$9.95G3, 91, PTR, 93, & 33 Recoil Rod End Cap New HK German recoil rod end cap or stop pin for HK factory recoil rods. This item retains the recoil spring on the recoil rod assembly. A great spare and wear and replacement part. Compatible With: HK G3, 91...HKP-01157$9.95 -
HK45, HK45C, USP Compact Magazine Follower
H&K Heckler & Koch
$9.95HK USPC, 45, & 45C Magazine Follower A great spare to have on hand as the follower is a wear and replacement part. Do not forget to order spare magazine springs while you are at it. HK German manufacture. Compatible With: HK USPC .45 HK USPC .45...HKP-02249-M$9.95 -
Out Of Stock
HK45, HK45C, USP, USPC, P2000 Shaped Spring - Slide Release
H&K Heckler & Koch
$9.95HK Slide Release Spring This is a high-wear item, as it cannot be reused once damaged or removed. It must be replaced with a new spring. Compatible With: HK USP 9mm, .40 & .45 HK USP Compact 9mm, .40 & .45 HK USP Tactical, Elite & Expert...HKP-01260$9.95 -
Out Of Stock
HK MP5, HK94 Grip Adapter - K Style
HKP HK Parts
$49.95HK Vertical K Grip Adapter For HK MP5 & HK94 (Adapter Only) This is the adapter needed to add an MP5K K grip to your HK94, MP5, or clone.HKP-00175$49.95 -
HK P2000, USPC Magazine Spring - 12 Round - .40 S&W
H&K Heckler & Koch
$5.95HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies. Compatible With: HK P2000 .40 S&W 12-round...HKP-01481$5.95 -
HK -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...HKP-00342$27.95 -
HK416, MR556, MR762 Forward Assist Pin
H&K Heckler & Koch
$4.95Heckler and Koch's Forward Assist Pin for HK416, HK MR556, and HK MR762 Compatible With: HK416, MR556 HK MR762HKP-02662$4.95 -
HK USP Series Firing Pin Block Spring - Old Style
H&K Heckler & Koch
$9.95HK USP Series Old Style Firing Pin Block Spring In order to use the new firing pin block spring, you also have to upgrade the firing pin, firing pin block, as well as the firing pin block spring. HK part #214192 has been replaced with...HKP-02149$9.95 -
HK MP5SF Elbow Spring Bushing Sleeve
H&K Heckler & Koch
$5.95Heckler and Koch replacement distance sleeve for MP5SF elbow spring with roller Features: Precision-machined elbow spring and roller used in traditional roller-delayed trigger packs. Original HK design ensures perfect trigger geometry, smooth...HKP-03330$5.95 -
HK MP5, MP5K Magazine Release Set
H&K Heckler & Koch
$184.95Heckler and Koch Magazine Release Set for HK MP5 and HK MP5K This is the complete magazine release kit that includes both the paddle mag release and standard left-to-right mag release on your HK 9mm rifle or pistol build. Set...HKP-02402$184.95 -
HK MP5, HK90 Series Paddle Mag Release Bushing - Full Auto
MKE
$2.59MKE Magazine Release Bushing for HK MP5, MP5K and HK90 Firearms This part is for use in all HK90-series Heckler and Koch weapon systems and is used for installing a paddle mag release. This is not for use on semi-auto HK builds. This part is intended for...HKP-22283$2.59 -
B&T Ambidextrous Sling Pin - Small
B&T Brugger & Thomet
$58.95B&T Ambidextrous Sling Pin - Small Replaces the small push pin to allow a sling attachment point on either the left or right side of the firearm. Each measures: 6x29mm with rubber o-ring and net screw.HKP-16886$58.95