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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$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 -
On Sale
HK Handguard Sling Pin - Ambi - Small - USED
H&K Heckler & Koch
Now: $42.95Was: $61.95HK Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a sling hook to...HKP-00077-USEDNow: $42.95Was: $61.95 -
HK MP5, AP5 Full Auto Sear Spring Spacer
MKE
$1.95MKE Distance Sleeve for HK MP5 and AP5 Features: Precision-machined roller used in traditional roller-delayed trigger packs. Ensures perfect trigger geometry, smooth operation, and long-lasting reliability. Compatible With: HK MP5 Century...HKP-22477$1.95 -
On Sale
HK MP5, HK90 Series Hammer Strut - USED
H&K Heckler & Koch
Now: $5.21Was: $9.95HK MP5, G3, 91, PTR, 93, 33, HK94 Hammer Strut - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German Hammer Strut for 90 series rifles and pistols. A perfect...HKP-15445-USEDNow: $5.21Was: $9.95 -
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 -
On Sale
HK MP5, HK91, G3, HK33 Cocking Tube End Cap - Incomplete - BLEMISHED
H&K Heckler & Koch
Now: $21.95Was: $39.95H&K Cocking Tube End Cap/Dust Cap - BLEMISHED SOLD INDIVIDUALLY - VARYING CONDITION SHOWN INCOMPLETE 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...HKP-00099-BNow: $21.95Was: $39.95 -
HK MR762 Hammer Complete
H&K Heckler & Koch
$179.95H&K HK MR762 Hammer Complete HK MR762 hammer, hammer spring, & bushing as a complete hammer assembly. Compatible With: HK MR762HKP-16614$179.95 -
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