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, 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 buildsHKP-16274$4.95 -
HK VP9 Trigger Return Spring for Ultra Match Trigger
HKP HK Parts
$9.95HKP HK VP9 Ultra Match Trigger Return Spring Ultra Match trigger return spring will give your VP9 and VP40 an even smoother, crisper, and lighter pull. This helps promote consistent match-grade accuracy and control by dropping the trigger pull...HKP-21164$9.95 -
HK P7 Series Extractor Spring
H&K Heckler & Koch
$7.95HK P7 Extractor Spring This is a common wear and replacement part, according to HK Germany. This is a great part to have on hand as a spare. Compatible With: P7 PSP P7 M8 P7 M10 P7 M13HKP-00325$7.95 -
HK G3 Buffer Screw Crush Washer
H&K Heckler & Koch
$0.95HK G3 Crush Washer For Buffer ScrewHKP-16984$0.95 -
HK416, MR556, HK417, MR762 Handguard Locking Screw - X Style
H&K Heckler & Koch
$29.95Heckler and Koch Handguard Locking Screw for your HK416, MR556, HK417, MR762 Replacement handguard locking screw that secures the handguard to the upper receiver. This version features the "X" allowing the bolt head or HK sling hood tool to be used for...HKP-02680$29.95 -
HK G3 Buffer Screw Locking Washer
H&K Heckler & Koch
$0.95HK G3 Buffer Screw Locking Washer Used in good, working conditon.HKP-16983$0.95 -
Out Of Stock
HK Trigger Pack Ejector Lever Axle
H&K Heckler & Koch
$19.95H&K Trigger Pack Ejector Lever Axle HK German ejector lever axle pin for all HK trigger packs. This is the factory correct axle pin that holds the ejector lever in place in the trigger pack. Fits all SEF & Ambidextrous style HK trigger packs...HKP-01091$19.95 -
HK G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells - Heckler and Koch
H&K Heckler & Koch
$48.95New HK German G36 & HK SL8 Push Pin For Forearm, Mag Well Or Lower Each push pin is a factory German part and is new. This is also required for those doing the SL8 to G36 style conversions. A factory German G36 uses three of these factory push pins...HKP-00804$48.95 -
Out Of Stock
HK91, G3 Buffer - Folding Stock - Replacement
Choate
$3.95Choate HK 91 & G3 (7.62x51/.308) Folding Stock Replacement Buffer Choate .308 folding stock replacement buffer for all HK91/G3 PTR stocks. A great item to have on hand as these do wear and are prone to breaking. Compatible With: HK 91/G3HKP-00211$3.95 -
HK91, G3 Magazine Release - Anti-Rattle - Surplus
H&K Heckler & Koch
$24.95Heckler and Koch Anti-Rattle Mag Release from Surplus for HK G3, HK91, PTR, HK33, HK53, HK93 Pulled from demilled German HK firearms. Once refinished this item can be made to look like new. For install on all HK Rifles caliber .223 and .308. This is the...HKP-17855$24.95 -
HK P30, P30L Trigger Return Spring - Heavy
H&K Heckler & Koch
$13.95H&K Heavy Trigger Return Spring For HK P30/P30L Compatible With: HK P30 HK P30 V3 HK P30L HK P30L V3HKP-02195$13.95 -
HK416, MR556, MR762, G36 Extractor Spring
H&K Heckler & Koch
$8.95H&K MR556/MR762/416/G36 (5.56/.223) & (7.62x51/.308) Extractor Spring A must-have replacement wear part and a great item to have on hand. Compatible With: HK G36 HK G36K HK G36C HK SL8 HK MR556 HK 416 HK MR762HKP-00288$8.95