HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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On Sale
HK UMP, USC Axle Pin - Rear Stock
Other
Now: $13.46Was: $14.95Heckler and Koch Stock Rear Stock Axle Pin for your HK UMP or USC This is the stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those who are doing the USC to UMP conversion. This pin is required to attach the...Now: $13.46Was: $14.95 -
On Sale
HK91, G3 Rear Push Pin Reinforcement Weldment
PTR
Now: $17.95Was: $19.95HK91, G3, PTR, CETME Push Pin Reinforcement Weldment HK91/G3/PTR91 or CETME steel receiver flat weldment that is added to the rear of the receiver where the 2 large stock push pins install to reinforce this section of the receiver against damage or use...Now: $17.95Was: $19.95 -
On Sale
HK MP5, HK94, HK 93, HK91, PTR SL Grip Module Semi Shelf
Magpul
Now: $53.96Was: $59.95Magpul - SL Grip Module - HKMP5/94/93/91 & Semi Shelf & HK Clones The Magpul SL Grip Module is a high-strength, injection-molded polymer grip module for HK MP5/94/93/91 & Semi Shelf HK Clones*. Designed with improved ergonomics, a non-slip...Now: $53.96Was: $59.95 -
On Sale
HK Semi Shelf Weldment - Metal Grip Housing
HKP HK Parts
Now: $11.96Was: $14.95HKP Semi Shelf Weldment Metal Grip Housing For Semi-Auto Trigger Packs This HK German specification metal trigger frame weldment is designed for converting SEF style housings from full auto to semi-auto. This weldable block or shelf is essential for...Now: $11.96Was: $14.95 -
On Sale
HK MP5 Bolt Carrier - Full Auto - 9mm
RCM
Now: $132.25Was: $146.95MP5 9mm Full Auto Bolt Carrier - RCM New US RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. They were machined completely from billet ordnance grade steel...Now: $132.25Was: $146.95 -
On Sale
HK 30 Round HK MP7 4.6x30mm Magazine
H&K Heckler & Koch
Now: $61.16Was: $67.99MP7 30 Round Magazine New factory German HK 30-round magazine for the 4.6x30mm HK MP7A1 & MP7A2 weapon system. This is a popular spare magazine option as it is not too large and not too small of capacity.Now: $61.16Was: $67.99 -
On Sale
HK90 Series Magazine Catch Spring
H&K Heckler & Koch
Now: $4.46Was: $4.95Heckler and Koch Magazine Catch Spring for the HK90 Rifle Series New HK German manufacture, not used, worn out surplus springs. Perfect spare and a must-have mag catch spring for all 90 series rifles that use a detachable magazine. Compatible...Now: $4.46Was: $4.95 -
On Sale
HKP UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail With Hardware
UTG
Now: $22.45Was: $24.95UMP, USC Side, Bottom Rail With Mounting Hardware - Aluminum Listing is for one rail. The UMP/USC can use up to 3 of the rails on the forearm section of the firearm. 1 each for the sides and 1 for the bottom for a total of 3 rails. Each rail is made from...Now: $22.45Was: $24.95 -
Out Of StockOn Sale
HK91, G3 36 Degree Locking Piece #17
RCM
Now: $44.99Was: $49.99RCM HK G3/91 36 Degree Locking Piece #17 One of the best ways to slow down & tame that HK21. Can also be used for HK91/G3 special projects such as suppressors, & heavier than normal loads. This is also the factory correct locking piece for...Now: $44.99Was: $49.99 -
On Sale
HK MP5SD Barrel Shroud - Enhanced
HKP HK Parts
Now: $103.96Was: $129.95HKP MP5SD weldable suppressor shroud for HK MP5 SD builds The HKP SD shroud is fully de-burred with the handguard attachment lugs being machined in from the outset, not welded, which is commonly found in aftermarket-style shrouds. Specifications: Made...Now: $103.96Was: $129.95 -
HK MP5, SP5K, SP89, Optic Mount Bundle - Holosun Reflex X2
Holosun
$394.95Holosun X2 - Red 2 MOA Dot & 32 MOA Circle - Optic Mount - Bundle - HK MP5 Includes: (1) Holosun Reflex X2 MRS Red Solar (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that...$394.95 -
On Sale
HK91, G3 20 Round Magazine - Steel - Excellent
H&K Heckler & Koch
Now: $33.26Was: $36.95HK German 20 Round Steel Magazine - Very Good To Excellent Shape Each magazine in this offering is the best of the used steel surplus magazines available, features the best finish, and has the lowest amount of wear possible. No longer in production,...Now: $33.26Was: $36.95