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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Out Of Stock
HK MP5 Bolt Catch Lever - 10mm / .40 S&W
H&K Heckler & Koch
$74.95MP5 40, MP5 10 Bolt Hold Open Lever - German HK - New A great upgrade for the out-of-spec and sub-par quality part found on clone builds. Compatible With: MP5 40 MP5 10mm MP5 .357 Sig MP5 9 X 25 DillonHKP-01471$74.95 -
Out Of Stock
HK MP5 Barrel Chamber Flute Cleaning Brush - 10mm / .40 S&W
H&K Heckler & Koch
$29.95New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...HKP-00139$29.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Receiver Flat & Weldment Set
HKP HK Parts
$2,249.95HKP HK MP5SD Kit - Pistol Build - 9mm MP5SD 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts. This is the first time that these iconic kits have been...HKP-18052$2,249.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Tactical Grip
Ergo
$54.95Ergo Grip PSG1 Style Grip For MR556 & MR762 Just in and a great upgrade if you want the PSG1 style grip frame for your HK MR556, MR762 & HK416, HK417, G28 firearm. The ergonomically enhanced ERGO Tactical Deluxe Grips fits all AR15, M16 and MR...HKP-17131$54.95 -
Out Of Stock
HK MP5 Barrel Retaining Pin - 5.015mm
H&K Heckler & Koch
$14.95H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel. Compatible With: HK MP5, SP5, MP5K,...HKP-22284$14.95 -
HK416, MR556 Back Plate - QD Attachment
H&K Heckler & Koch
$64.95H&K HK MR556/416 Back Plate w/QD Attachment Factory HK back plate with QD socket for the HK MR556 and 416 A1/A4 models. Compatible With: HK MR556/HK 416 (A1 and A4)HKP-22205$64.95 -
HK MP5K Brace or Stock Adapter - Folding
HKP HK Parts / SB Tactical
$79.99SB Tactical HK MP5K Folding Brace/Stock Adapter Factory SB Tactical adapter for folding pistol brace. Aluminum with hard coat anodize for the ultimate finish. Features: Seamless styling adds elegance & operator utility Quick and easy H buffer...HKP-21413$79.99 -
HK G36, SL8 Firing Pin - All Variants
H&K Heckler & Koch
$59.95HK German G36/SL8 Firing Pin This is a great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants. Compatible With: HK G36/G36K/G36C HK SL8HKP-00289$59.95 -
Gamma Muzzle Brake - Threaded 5/8x24 RH
Aero Precision
$104.95Aero Precision (7.62x51/.308) Muzzle Brake Gamma - Threaded 5/8x24 RH The VG6 GAMMA is a muzzle brake and compensator hybrid. It virtually eliminates recoil and minimizes muzzle movement. The unique combination of both braking and compensating features...HKP-19675$104.95 -
HK416 Factory Retractable Stock
H&K Heckler & Koch
$129.95HK 416 & AR15 6 Position Retractable Stock New HK Marked 6 position AR15 commercial stock. This stock fits all commercial AR-15/M16 buffer tubes. The stock telescopes expands and retracts to 6 locked positions. Marked with the HK logo and...HKP-00049$129.95 -
HK416, MR556, HK417, MR762 Handguard Locking Screw - A1 Style
H&K Heckler & Koch
$24.95HK416, MR556, HK417, MR762 - A1 - Handguard Rail System Screw Factory HK handguard rail screw for A1 handguards. Compatible With: HK416 A1 HK MR556 A1 HK417 A1 (2 required per handguard) HK MR762 A1 (2 required per handguard)HKP-02717$24.95 -
HK416 E1, MR556 Charging Handle - RAL8000
H&K Heckler & Koch
$169.99New RAL 8000 HK Designed HK416, MR556 Ambidextrous Charging Handle (E1). The E1 HK 416 FDE charging handle release latch has the ability of being swapped from the left side (E1) to the right sight (E2) with simple tools. HK's own design boasts a smooth...HKP-18502$169.99