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 P7, P9 Extractor
H&K Heckler & Koch
Now: $31.95Was: $34.95H&K HK P7/P9 Extractor - Short / 7.65mm Removes spent casings from the chamber of H&K P7 and P9 pistols for reliable cycling. Compatible With: HK P7 K3HKP-22236Now: $31.95Was: $34.95 -
On Sale
HK MR762 Firing Pin
HKP HK Parts
Now: $25.95Was: $29.95H&K HK MR762 Firing Pin US made steel firing pin for MR762 platforms. Compatible With: HK MR762HKP-17795Now: $25.95Was: $29.95 -
On Sale
HK P30, P30L Loaded Chamber Indicator Compression Spring
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K P30/L Loaded Chamber Indicator Compression SpringHKP-02220Now: $4.95Was: $5.95 -
On Sale
HK G36 Guide Rod Set Screw
H&K Heckler & Koch
Now: $8.95Was: $9.95HK G36 Guide Rod Set Screw Replacement guide rod set screw for HK G36 platforms. Designed to secure the guide rod assembly within the bolt carrier group during proper installation and maintenance. Compatible With: G36HKP-01873Now: $8.95Was: $9.95 -
On Sale
HK G36, SL8 Barrel Retaining Nut
GSG9
Now: $45.95Was: $53.00HK G36 & SL8 Barrel Retaining Nut - USA Made in the USA. Compatible With: SL8 (all models & variants) G36E G36K G36C All other G36 VariantsHKP-18252Now: $45.95Was: $53.00 -
On Sale
HK91, G3 Firing Pin - Titanium
HKP HK Parts
Now: $31.95Was: $34.95HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...HKP-17937Now: $31.95Was: $34.95 -
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 CC9 Extractor Buffer
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K CC9 Extractor Buffer Made in Germany by H&K, the extractor buffer for the CC9 cushions extractor movement and reduces wear during cycling. Compatible With: HK CC9HKP-22131Now: $4.95Was: $5.95 -
On Sale
HK416 Catch - Bolt Hold Open
USA
Now: $19.95Was: $39.95HK 416 Bolt Hold Open Catch US-made bolt hold open catch for the HK 416. Compatible With: HK 416 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99101Now: $19.95Was: $39.95 -
On Sale
HK VP9, VP9SK, VP40 Safety Latch - Trigger
HKP HK Parts
Now: $3.95Was: $4.95HKP HK VP9/VP9SK, HK VP40 Trigger Safety LatchHKP-16773Now: $3.95Was: $4.95 -
On Sale
HK VP9, VP9SK, HK VP40 Drop Safety
H&K Heckler & Koch
Now: $42.95Was: $46.95H&K HK VP9/VP9SK, HK VP40 Drop Safety Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40HKP-16836Now: $42.95Was: $46.95 -
On Sale
HK VP9, VP9SK, VP40 Drop Safety Axle
H&K Heckler & Koch
Now: $28.95Was: $31.95H&K VP9/VP9SK, HK VP40 Axle For Drop SafetyHKP-16837Now: $28.95Was: $31.95