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 MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
HKP HK Parts
Now: $7.95Was: $8.95HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5 New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...HKP-18210Now: $7.95Was: $8.95 -
On Sale
HK MP5 Recoil Spring - Enhanced
HKP HK Parts
Now: $14.95Was: $16.95HKP HK MP5 Enhanced Recoil Spring The HK Parts enhanced recoil spring offers a 5% increase in strength over the factory MP5 spring. Ideal for high round count firearms, suppressed setups, or simply to improve longevity. Won't fit F style recoil rods or...HKP-22209Now: $14.95Was: $16.95 -
On Sale
HK VP9, VP9SK, VP40 Elbow Spring, Drop Safety
H&K Heckler & Koch
Now: $5.95Was: $6.95H&K HK VP9/VP9SK, VP40 Drop Safety Elbow Spring Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40HKP-16835Now: $5.95Was: $6.95 -
On Sale
HK VP9, VP9SK, VP40 Left Side Slide Release Lever
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black New HK VP series German left side slide release lever for slide. Compatible With: HK VP9, VP9L HK VP9SK HK VP9A1 F HK VP9A1 K HK VP40HKP-16787Now: $17.95Was: $19.95 -
On Sale
HK Mark 23, SOCOM Firing Pin - Titanium
HKP HK Parts
Now: $44.95Was: $49.95Ultimate Firing Pin Mark 23, Socom - Titanium - Grade 6 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...HKP-17803Now: $44.95Was: $49.95 -
Out Of StockOn Sale
HK416, MR556 Magazine Release Button
H&K Heckler & Koch
Now: $15.95Was: $16.95Heckler and Koch Magazine Release Button for HK416 and HK MR556 New HK German Manufacture. Compatible With: HK416, MR556 AR15, M4, M16 firearmsHKP-02656Now: $15.95Was: $16.95 -
On Sale
HK SP5K, MP5K Cocking Tube Support Spring - Reverse Stretch
H&K Heckler & Koch
Now: $5.95Was: $6.95Heckler and Koch HK SP5K, MP5K Reverse Stretch Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable to the detent to lock...HKP-17873Now: $5.95Was: $6.95 -
On Sale
HK416, MR556 Magazine Catch
H&K Heckler & Koch
Now: $53.95Was: $59.95Heckler and Koch Magazine Catch for HK416 and HK MR556 New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms. Compatible With: HK416, MR556HKP-15458Now: $53.95Was: $59.95 -
Out Of StockOn Sale
HK P30, P2000 Trigger Bar Detent Spring
H&K Heckler & Koch
Now: $4.95Was: $5.95HK P30 & P2000 Trigger Bar Detent Spring Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01799Now: $4.95Was: $5.95 -
On Sale
HK VP9 Series Magazine Catch
H&K Heckler & Koch
Now: $22.95Was: $24.95Heckler and Koch Magazine Catch for HK VP9 and HK VP40 New HK German manufacture. Compatible With: VP9 VP9SK VP9 Tactical VP9 Match VP40 VP40 TacticalHKP-16817Now: $22.95Was: $24.95 -
On Sale
HK416, MR556 Ejector Port Cover Pin
H&K Heckler & Koch
Now: $17.95Was: $19.95Heckler and Koch Ejector Port Cover Axle Pin for HK416 and HK MR556 Compatible With: HK416, MR556HKP-02661Now: $17.95Was: $19.95 -
On Sale
HK33, HK33K, HK93 Recoil Spring
H&K Heckler & Koch
Now: $7.95Was: $8.95HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33K Clones or other custom buildsHKP-02097Now: $7.95Was: $8.95