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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HK MP5, SP5K Extractor Spring - 9mm
MKE
$6.95MKE HK MP5, MP5K - Extractor Spring - 9mm Extractor spring for all 9mm HK variants including clones. This spring is the #1 repair & replacement item for the MP5 and MP5K family of firearms. Compatible With: HK MP5 HK MP5K HK SP5 HK...HKP-22481$6.95 -
HK UMP, B&T APC Folding Buttstock
H&K Heckler & Koch
$138.95HK German UMP Folding Buttstock Brand new German HK folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). All UMP folding buttstocks come with an HK date code. Compatible With: HK UMP HK USC-UMP...HKP-00252$138.95 -
Out Of Stock
HK45 Thread Protector - 16x1 LH
H&K Heckler & Koch
$24.95H&K .45 ACP Thread Protector - Threaded 16x1 LH The cap fits all HK45 full size & compact barrels threaded 16x1 LH hand thread. A must have item to protect your threaded barrels, exposed threads, and your HK pistol investment. The use of the...HKP-00297$24.95 -
Out Of Stock
HK Roller +8 - New - 8.08mm
HKP HK Parts
$8.99Roller +8 - New - 8.08mm HK Parts Standard (8.08 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...HKP-19437$8.99 -
HK416, MR556 Buffer Spring - Enhanced
H&K Heckler & Koch
$19.95Heckler and Koch's Enhanced HK416 and HK416 Buffer Spring - HK German The HK MR556/416 buffer spring will also work with other AR-15 and M-16 rifles. It is a high-wear item and a must-have replacement part. Compatible With: HK416, MR556 HK416 A5 HK...HKP-00039$19.95 -
HK MP5, HK94, HK93, HK91, PTR SL Grip Module Semi Shelf
Magpul
$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...HKP-19320$59.95 -
HK Armorer's Tool Kit
HKP HK Parts
$67.95HKP Armorer's Tool Kit Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge setHKP-18659$67.95 -
HK G3 Parts Kit - FMP
FMP HK CONTRACT
$159.95FMP - G3 Parts Kit - With Alloy Mag The G3 has been an iconic battle rifle utilized all over the world and revered as one of the best that H&K has offered. These kits are de-milled G3's that were licensed by H&K and manufactured in Portugal by...HKP-22531$159.95 -
HK G36, G36C, G36K, SL8 Barrel Wrench
$139.95Barrel Wrench for HK G36, G36C, G36K, SL8 Barrel wrench designed for all HK G36 and SL8 barrel lengths, from the 9" G36C to the 20" SL8. The tool uses a 3-point contact system for secure engagement and proper torque transfer on the barrel nut. A 3/8"...HKP-00283$139.95 -
HK MP5, MP5K Optic Mount - Raised - Picatinny - US
HKP HK Parts
$109.95HKP HK MP5 Picatinny Rail Optic Mount HK Parts Picatinny style optic mount for the MP5 or MP5K. Quickly mount any Picatinny optic to your HK while retaining a full view of the factory sights. Available exclusively at HK Parts. Compatible With: HK...HKP-21489$109.95 -
HK MP5, MP5K, SP89 MP5 Magazine - 9mm - 30 Round - Turkish Contract
Other
$34.95 - $44.95Turkish Contract 30 Round MP5 Magazine - NEW These newly imported 30-round, 9mm, steel magazines were manufactured by a Turkish contractor for military use. These high-quality magazines are similar to MKE but are not MKE magazines. These 30 round MP5...HKP-22274$34.95 - $44.95 -
HK UMP, USC Rail Section - Hardware Included
UTG
$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...HKP-00598$24.95