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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On Sale
HK45, HK45 Compact, USP Old Style Bobbed Hammer
H&K Heckler & Koch
Now: $58.95Was: $64.95HK USP & USPC Bobbed Hammer - Older Style (without the cutout) This part is compatible with older USP full-size & USPC firearms that have the old-style hammer already. Perfect for those who prefer the shorter, lower profile "bobbed" hammer. This...HKP-14552Now: $58.95Was: $64.95 -
On Sale
HK G36 Left Side Safety Lever
H&K Heckler & Koch
Now: $22.95Was: $24.95HK G36 Left Side Safety Selector LeverHKP-01875Now: $22.95Was: $24.95 -
On Sale
HK G36 Disconnector Axle - 2 Round Burst
H&K Heckler & Koch
Now: $9.95Was: $10.95H&K G36 (5.56/.223) 2 Round Burst Disconnector AxleHKP-16350Now: $9.95Was: $10.95 -
On Sale
HK Ump, USC Handstop Screw - Cylindrical
H&K Heckler & Koch
Now: $8.95Was: $9.95HK German Hand Stop Screw #21 Cylindrical screw, handstop 5 x 16 mm 219414HKP-16736Now: $8.95Was: $9.95 -
HK21 Feed Mechanism Latch Lever
Michaels Machines
$69.95HKP HK21 Feed Mechanism Latch Lever - 7.62x51 / .308 Replacement feed mechanism latch lever for HK21 belt-fed platforms chambered in 7.62x51 and .308. Designed to interface with the feed assembly and support proper operation of the HK21 system...HKP-00235$69.95 -
Out Of Stock
HK21E, HK23E Barrel Handle - 7.62x51 / .308, 5.56 / .223
H&K Heckler & Koch
$79.95HK German Factory HK21E/23E & HK11E/13E Barrel Handle - New Factory German fiberglass/polymer extended E barrel handle. This is also considered an upgrade for older style HK21 barrel handles Compatible With: HK23E HK21E HK11E HK13E MM23E, 21E,...HKP-00243$79.95 -
Out Of Stock
HK21, PSG1, MSG90 Extractor - Factory - 7.62x51 / .308, 5.56 / .223
H&K Heckler & Koch
$129.95HK21E, 11E, PSG1, MSG90 Factory German HK ExtractorHKP-00250$129.95 -
On Sale
HK416, MR556, HK417, MR762 Cylindrical Head Screw
H&K Heckler & Koch
Now: $17.95Was: $19.95Heckler and Koch Cylindrical Screw for MR762, HK417, MR556, HK416 Factory replacement cylindrical lens-head Allen screw for maintaining or repairing your HK417 and MR556 rifles with original-spec hardware. Compatible With: HK417, MR762 HK416, MR556HKP-22433Now: $17.95Was: $19.95 -
On Sale
HK CC9 Firing Pin Disconnect
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K CC9 Firing Pin Disconnect OEM firing pin disconnect for the H&K CC9 pistol. Controls firing pin engagement during the firing cycle. Compatible With: HK CC9HKP-22140Now: $4.95Was: $5.95 -
On Sale
HK VP9, VP40 Slide Release Lever - Anti-Skid - Right
H&K Heckler & Koch
Now: $61.95Was: $67.95H&K VP Anti-Skid Slide Release Lever - Right Right side extended slide release lever. Can be combined with 260431, 50254706, 50239395. Compatible with: VP9 VP9L VP9 Match VP9 Tactical VP9SK VP9A1 VP40HKP-22012Now: $61.95Was: $67.95 -
On Sale
HK G36, SL8 Handguard Eye Bolt - Slings, Bipods
H&K Heckler & Koch
Now: $71.95Was: $79.95H&K HK G36/SL8 Sling/Bipod Eye Bolt Factory HK sling and bipod eye bolt for H&K G36 and SL8 rifle models. Steel construction with a durable black finish. Installs easily into the forward portion of the handguard to provide a secure...HKP-21654Now: $71.95Was: $79.95 -
Out Of Stock
HK MP5, HK33, HK91 Take Down Pin - Push Button - Small
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Small .234" This 6mm (.234") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...HKP-21389$24.99