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 VP, USP, P30, P2000, HK45 Magazine Release Spring
H&K Heckler & Koch
$3.95Heckler and Koch Magazine Release Spring for all HK Pistols Compatible With: VP9 VP9F VP9K VP9X VP9L VP9SK VP9 Tactical VP9 Tactical OR VP9 Match VP40 P30 P30L P30SK P2000 P2000SK USP USP Compact USP Compact Tactical USP Tactical HK45 HK45 Compact HK45...HKP-01814$3.95 -
HK MP5, SP5K Firing Pin Spring
H&K Heckler & Koch
$9.95HK Heckler & Koch HK94, MP5 Spring - Firing Pin German Fits all of the MP5, SP5, SP5K, MP5K 9mm and 40/10 Variants including MP5, 94 clones. The firing pin is one of the most common repair and replacement items. Compatible With: MP5, MP5K SP5,...HKP-00062$9.95 -
HK MP5, HK94 Recoil Spring
H&K Heckler & Koch
$12.95HK German MP5, HK94 Recoil Rod Assembly Spring Great replacement and spare recoil spring as this is a common repair and replacement item. Compatible With: HK MP5 HK94 Zenith, POF, AA Clones & custom buildsHKP-01652$12.95 -
HK416, MR556 Gas Block Roll Pin
H&K Heckler & Koch
$5.95Heckler and Koch Gas Block Pin for HK416 and MR556 This is the retaining pin for an HK416 gas block. A must-have, as HK recommends using new pins once they are removed or damaged. Size: 5 x 18 mm.HKP-02534$5.95 -
HK MP5 A3 Telescopic Stock Buffer - USA
$7.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable Stocks The A3 stock buffer is a high-wear and replacement item that needs replacement when torn, cracked, brittle, discolored, and worn. These units are from the same material and durometer as...HKP-14012$7.74 -
HK USP, P2000SK, HK45CT Match Trigger Return Spring
H&K Heckler & Koch
$8.95HK Pistol Match Trigger Return Spring This is the TRS that is in the Match trigger kit. This spring works better with the SA/DA and is lighter than the standard trigger return spring. This is a great spare part to have on hand...HKP-02666$8.95 -
HK 90 Series Pistol Grip Parts Storage Holder
HKP HK Parts
$29.95HK Pistol Grip Parts Storage Holder - SEF & Ambidextrous Housings A must-have item for storage, it doesn't have a battery compartment to maximize storage. This HK grip plug will fit all SEF or Ambidextrous housings that have the holding tabs in the...HKP-19452$29.95 -
HK MP5, HK94 Firing Pin Spring - Enhanced
HKP HK Parts
$4.95MP5 & HK94 Firing Pin Spring - Enhanced The "Enhanced" firing pin spring was analyzed and engineered from scratch with the latest in performance spring technology and an emphasis on reducing stress on the spring and increasing cycle life by 500%...HKP-02321$4.95 -
HK VP9, VP9SK Slide Cap - Enhanced
HKP HK Parts
$29.95Enhanced Slide Plate Cover VP9, VP9 Tactical, VP9SK & VP40 Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model cover has no firing pin viewing window and is machined to cover as MUCH surface area as possible to seal the firearm from dirt...HKP-17856$29.95 -
HK VP9, VP40 Magazine Release - Enhanced - Gen 2
HKP HK Parts
$49.95Enhanced Magazine Release - Alloy - HK VP Series - Gen 2 - New & Improved The oversized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of your grip. Made in the...HKP-21098-M$49.95 -
HK Oversized Barrel Retaining Pin - 5.25mm
H&K Heckler & Koch
$9.95H&K Oversized Barrel Retaining Pin - 5.25mm This is the barrel pin used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel in the trunnion. Each pin is slightly...HKP-16954$9.95 -
HK MP5, MP5K, HK33, HK53, HK93, HK91, G3 Cocking Tube Hanger Clip
H&K Heckler & Koch
$13.95Heckler and Koch Cocking Tube Hanger Clip The HK cocking tube support hanger is the part that welds onto the end of the cocking tube that allows the forearm to install with the use of a small push pin. New HK German factory manufactured. Ready to weld...HKP-00349$13.95