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
HK45, HK45C, P30, P2000 , USP Flat Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...Now: $8.96Was: $9.95 -
Out Of StockOn Sale
HK91, G3 Buffer - Folding Stock - Replacement
Choate
Now: $3.56Was: $3.95Choate HK 91 & G3 (7.62x51/.308) Folding Stock Replacement Buffer Choate .308 folding stock replacement buffer for all HK91/G3 PTR stocks. A great item to have on hand as these do wear and are prone to breaking. Compatible With: HK 91/G3Now: $3.56Was: $3.95 -
On Sale
HK USPC Red Dot Pistol Mount
HKP HK Parts
Now: $39.96Was: $49.95HKP HK USPC Red Dot Pistol Mount Red Dot mounting plate to allow the use of a Burris Fast Fire, Docter, Vortex Venom or other similar specs Red Dot Sights. Replaces rear sight to allow the mounting of a Red Dot Sight to your HK pistol listed above...Now: $39.96Was: $49.95 -
On Sale
HK G36, SL8 Push Pin for Handguard, Lower, Magwell
H&K Heckler & Koch
Now: $31.46Was: $34.95New HK German G36 & HK SL8 Push Pin For Forearm, Mag Well Or Lower Each push pin is a factory German part and is new. This is also required for those doing the SL8 to G36 style conversions. A factory German G36 uses three of these factory push pins...Now: $31.46Was: $34.95 -
On Sale
HK P7 Series Spring - Firing Pin
H&K Heckler & Koch
Now: $7.16Was: $7.95HK P7 Series Firing Pin Spring This item is a great spare to keep on hand, as this item is considered a high-wear item by HK. Compatible With: HK P7 PSP HK P7 M8 HK P7 M10 HK P7 M13Now: $7.16Was: $7.95 -
On Sale
HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Spring For Bolt Head
H&K Heckler & Koch
Now: $4.46Was: $4.95HK Bolt Carrier Bolt Locking Lever Spring New HK German factory bolt carrier locking lever spring for locking lever latch. Compatible With: HK G3, HK91 PTR models HK93, 33, 53 Other clones and custom buildsNow: $4.46Was: $4.95 -
On Sale
HK VP9 Return Spring for Ultra Match Trigger
HKP HK Parts
Now: $7.96Was: $9.95HKP HK VP9 Ultra Match Trigger Return Spring Ultra Match trigger return spring will give your VP9 and VP40 an even smoother, crisper, and lighter pull. This helps promote consistent match-grade accuracy and control by dropping the trigger pull...Now: $7.96Was: $9.95 -
On Sale
HK P7 Series Extractor Spring
H&K Heckler & Koch
Now: $7.16Was: $7.95HK P7 Extractor Spring This is a common wear and replacement part, according to HK Germany. This is a great part to have on hand as a spare. Compatible With: P7 PSP P7 M8 P7 M10 P7 M13Now: $7.16Was: $7.95 -
On Sale
HK45, HK45 Compact, USP Ambidextrous Control Lever Set Roll Pin
H&K Heckler & Koch
Now: $2.66Was: $2.95HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...Now: $2.66Was: $2.95 -
On Sale
HK416, HK417, MR556, MR762 Takedown Pin Detent Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK MR556/MR762/416/417 Takedown Pin Detent Spring New HK German manufacture. Detent spring for the rear takedown pin. Compatible With: HK MR556 HK 416 HK MR762 HK 417Now: $8.96Was: $9.95 -
On Sale
HK G3 Buffer Screw Crush Washer
H&K Heckler & Koch
Now: $0.85Was: $0.95HK G3 Crush Washer For Buffer ScrewNow: $0.85Was: $0.95 -
Out Of StockOn Sale
HK416, MR556, HK417, MR762 Buffer Retainer Spring
USA
Now: $5.36Was: $5.95HK MR556/MR762/416/HK417 Buffer Retainer Spring This item is the spring for the buffer retainer that is held in the rear of the lower receiver. Compatible With: HK MR556 HK 416 HK MR762 HK 417Now: $5.36Was: $5.95