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 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-correct, brand-new, latest production German HK 9mm contact piece. Compatible...HKP-00118$59.95 -
HK CC9 IWB Clip - Minimalist
HKP HK Parts
$59.95HKP HK CC9 IWB Clip - Minimalist The HKP HK CC9 IWB clip offers a minimalist solution for absolute concealment. When a holster creates undesired printing, our IWB eliminates the bulk to keep the pistol safe from discovery. Our IWB clip fits snug...HKP-22095$59.95 -
HK SL8, G36 Magazine Release Spring
H&K Heckler & Koch
$9.95Heckler and Koch Magazine Release Spring for HK G36 and HK SL8 A must have spare part. Compatible With: G36 SL8HKP-16344$9.95 -
HK G36, UMP Folding Stock Release Spring
H&K Heckler & Koch
$9.95HK G36 Folding Stock Release Spring This is the spring that fits under the stock release button to activate the folding and retention of the G36 or UMP stock. Compatible With: HK G36 HK G36K HK G36C UMPHKP-00637$9.95 -
HK P2000, USP Compact Firing Pin - New Style
H&K Heckler & Koch
$74.95HK P2000/USPC New Style Firing Pin Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK P2000 9mm HK P2000 40 S&W HK P2000 357 SIG HK P2000SK 9mm HK P2000SK 40 S&W HK P2000SK 357 SIGHKP-01563$74.95 -
HK P30, P2000, USP Block Spring - Heavy Firing Pin
H&K Heckler & Koch
$5.95HK P2000 & P30 Heavy Firing Pin Block Spring This is the heavy LEM spring found on the LEM conversion. Compatible With: Any post-2005 production USP & UPSC P2000 P2000SK P30 P30SK Will fit the HK45 & HK45C modelsHKP-01603$5.95 -
HK USP, P30, VP9 Magazine Spring - 30 and 32 Round Mags
H&K Heckler & Koch
$9.95Heckler and Koch 30, 32 Round Magazine Spring for HK USP, HK P30, HK VP9 HK German manufacture new production HK USP 9mm 32 round magazine spring. A super rare and hard to find part for the USP 9mm extended 32 round magazines. This spring took years of...HKP-16407$9.95 -
HK UMP Magazine Locking Plate - .45 ACP
H&K Heckler & Koch
$9.95H&K UMP (.45 ACP) Magazine Locking PlateHKP-16338$9.95 -
HK P30L Recoil Rod Assembly - Complete
H&K Heckler & Koch
$97.95Heckler and Koch Complete Recoil Rod Assembly for HK P30L 9mm Genuine German HK recoil rod assembly for the P30L 9mm. A fresh factory recoil spring restores proper cycling and ensures the pistol functions to original HK specifications. Compatible...HKP-02485$97.95 -
HK416, MR556 FFRS Retaining Spring
H&K Heckler & Koch
$9.99H&K 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 handguard screws. Once the spring is damaged, they have to be...HKP-02617$9.99 -
HK MP5, MP5K, HK93, HK91 Handguard Retainer Screw - Tactical, Keymod, and M-LOK
PTR
$4.95PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.HKP-16743$4.95 -
HK Pistol Trigger Axle
H&K Heckler & Koch
$9.95HK Pistol Trigger Axle Compatible With: HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK P30 HK P30L HK P30SK HK P2000 HK P2000SK HK45 HK45 CompactHKP-01806$9.95