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
HK Mark 23 Decocker C-Clip
H&K Heckler & Koch
Now: $17.95Was: $19.95HK Mark 23 Decocking C-Clip (Lock Washer)HKP-01629Now: $17.95Was: $19.95 -
On Sale
HK P2000 Magazine Disconnect Lever Axle
H&K Heckler & Koch
Now: $4.95Was: $5.95Heckler and Koch Magazine Disconnect Lever Axle for HK P2000 and HK P2000SK Compatible with: P2000 P2000SKHKP-16648Now: $4.95Was: $5.95 -
On Sale
HK USP .45 ACP Recoil Rod
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K HK USP .45 ACP Recoil Rod Factory German HK correct Recoil Rod for the HK USP 45 Full Size pistol. Compatible With: HK USP 45 Full Size PistolHKP-16998Now: $26.95Was: $29.95 -
On Sale
HK USP Old Style Catch
H&K Heckler & Koch
Now: $35.95Was: $39.95HK USP Old Style Catch Compatible With: HK USP 9mm HK USP 40HKP-01932Now: $35.95Was: $39.95 -
On Sale
HK USP Buffer Spring Retainer
H&K Heckler & Koch
Now: $5.95Was: $6.95H&K HK USP Buffer Spring Retainer Compatible With: HK USP 45 HK USP 40 HK USP 9mmHKP-16232Now: $5.95Was: $6.95 -
Out Of Stock
HK G36, SL8 Piston Rod Spring
H&K Heckler & Koch
$9.99Heckler and Koch Piston Rod Spring for HK G36 and HK SL8 A must-have spare repair and replacement part. New HK German factory part. Compatible With: G36 SL8HKP-01863$9.99 -
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 -
On Sale
HK CC9 Firing Pin Safety
H&K Heckler & Koch
Now: $17.95Was: $18.95H&K CC9 Firing Pin Safety Made by H&K, the firing pin safety for the CC9 blocks firing pin movement until the trigger is pulled. Compatible With: HK CC9HKP-22133Now: $17.95Was: $18.95 -
On Sale
HK CC9 Ejector Roll Pin
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K CC9 Ejector Roll Pin The ejector roll pin was made in Germany for the CC9 pistol, secures the ejector in place for proper ejection function. Compatible With: HK CC9HKP-22125Now: $4.95Was: $5.95 -
On Sale
HK416, MR556, HK417, MR762, G36, SL8 Gas Piston - Complete - BLEMISHED
H&K Heckler & Koch
Now: $27.95Was: $50.95H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston - BLEMISHED INSTALLATION MARKINGS. 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 German gas...HKP-00047-BNow: $27.95Was: $50.95 -
On Sale
HK VP9SK, VP40SK Backstrap - Small - OD Green
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18971Now: $26.95Was: $29.95 -
On Sale
HK G41 Firing Pin Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95HK G41 Firing Pin Spring Compatible With: HK G41HKP-16060Now: $8.95Was: $9.95