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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Out Of Stock
HK P7 Series Cocking Lever Axle
H&K Heckler & Koch
$7.95Cocking Lever Axle Compatible With: P7M8 P7M10 P7M13HKP-01375$7.95 -
HK Mark 23 Left Side Safety Lever
H&K Heckler & Koch
$44.95HK Mark 23 Left Side Safety LeverHKP-01771$44.95 -
$19.99 -
HK45, USP V5, V6, V7 Tube
H&K Heckler & Koch
$5.95HK USP/45 Variants 5, 6, & 7 Tube Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP HK USP Compact 9mm HK USP Compact 357 HK USP Compact 40 HK USP Compact 45HKP-02163$5.95 -
Out Of Stock
HK VP40, USP Compact 9mm, .40 S&W Extractor
H&K Heckler & Koch
$42.95H&K HK VP40/USPC 9mm/.40 S&W Extractor New HK German factory OEM part. Compatible With: HK VP40 (Not for the VP9) HK USP Compact 9mm HK USP Compact 40 & .357 HK USP LEM modelsHKP-01130$42.95 -
Out Of StockOn Sale
HK P30 Series Right Slide Release Short - BLEMISHED
H&K Heckler & Koch
Now: $26.95Was: $32.95HK P30 Series Right Slide Release Shorty INSTALLATION MARKS - DAMAGED PACKAGING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is a shorter version...HKP-02487-BNow: $26.95Was: $32.95 -
HK MP5, G3, MKE AP5 Elbow Spring with Roller - Full-Auto
MKE
$4.95MKE AP5, HK MP5, G3 Full-Auto Elbow Spring with Roller This elbow spring is manufactured by MKE from steel and is used in MP5 and G3 pattern trigger packs. It provides proper tension and function for the trigger pack elbow and is suitable for...HKP-22489$4.95 -
On Sale
HK P30 Series Magazine Release - Gen 1 Enhanced - Red - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP HK P30 Series Gen 1 Enhanced Magazine Release - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New HK Parts Enhanced and Over-sized Magazine...HKP-21153-RE-BNow: $29.95Was: $49.95 -
HK MR762 A4 Gas Vent Screw - 2.4mm
H&K Heckler & Koch
$29.95H&K MR762 A4 2.4mm Gas Vent Screw German 2.4mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4HKP-21952$29.95 -
HK MR762 A4 Gas Vent Screw - 2.0mm
H&K Heckler & Koch
$29.95H&K MR762 A4 2.0mm Gas Vent Screw German 2.0mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4HKP-21944$29.95 -
HK MR762 A4 Gas Vent Screw - 2.3mm
H&K Heckler & Koch
$29.95H&K MR762 A4 2.3mm Gas Vent Screw German 2.3mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4HKP-21943$29.95 -
HK21E, HK23E Left Receiver Reinforcement Rail Weldment
H&K Heckler & Koch
$14.95H&K 21E/23E Left Receiver Reinforcement Rail Weldment Genuine German-made weldment for left-side receiver reinforcement rail. Precision-machined using the correct steel and milling for you HK21E or HK23E build. Compatible With: HK21E HK23EHKP-21907$14.95