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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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 -
On Sale
HK MP5, HK91, G3, HK33 Cocking Tube End Cap - Dust Cap - BLEMISHED
H&K Heckler & Koch
Now: $29.95Was: $39.95H&K Cocking Tube End Cap/Dust Cap - BLEMISHED SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This part is Factory HK, painted black and not...HKP-00099-BNow: $29.95Was: $39.95 -
HK VP9SK Right Side Grip Panel - Medium - Gray
H&K Heckler & Koch
$16.95H&K VP9SK Right Side Grip Panel - Medium - Gray New HK German manufactured. Right side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18923$16.95 -
HK417, MR762 Hammer Axle
H&K Heckler & Koch
$13.95H&K HK MR762/417 Hammer Axle Compatible With: HK MR762 HK 417HKP-16622$13.95 -
HK G41 Dust Cover w/ Ejection Port Door
H&K Heckler & Koch
$29.95HK G41 Dust Cover W/ Ejection Port DoorHKP-02048$29.95 -
Out Of Stock
$9.95 -
$45.95 -
HK Mark 23 Sear
H&K Heckler & Koch
$94.95HK Mark 23 Sear Factory HK replacement sear for the Mark 23 pistol.HKP-01780$94.95 -
$10.95 -
Out Of Stock
HK45C, USPC Firing Pin - Titanium
HKP HK Parts
$49.95HKP HK USPC/45C Titanium Firing Pin A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium pins also carry less...HKP-17801$49.95 -
Out Of Stock
HK USP V5, V6, V7 Complete Bobbed Hammer
H&K Heckler & Koch
$0.00HK USP V5/6/7 Complete Bobbed Hammer Compatible With: HK USP 9mm HK USP 40HKP-01934$0.00 -
HK USP Compact Firing Pin - Original Style
H&K Heckler & Koch
$59.95HK USP Compact Firing Pin - Original Style Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEMHKP-01286$59.95