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 Brace and HKP Adapter - Skeletonized
HKP HK Parts / SB Tactical
$299.95SB Tactical Side Folding Brace For The HK MP5, SP5 model Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling...HKP-21055$299.95 -
HK MP5, SP5K Optic Mount - Trijicon RMR - 6.5 MOA
Trijicon
$619.95RMR Optic Mount - Bundle - HK MP5 Includes: (1)Trijicon RMR Type 2 Red Dot Sight 6.5 MOA Red Dot, Adjustable LED (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes the...HKP-20734$619.95 -
Barrel Bore Cleaning Brush - .45 ACP
USA
$1.95HK .45 ACP Barrel Bore Cleaning Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting...HKP-02757$1.95 -
HK G36K Rod and Spring - Gas Piston - Assembly
H&K Heckler & Koch
$89.95New HK German G36K Gas Piston Rod/Spring Assembly Great for spare parts or to use on that HK SL8-G36 conversion.HKP-00284$89.95 -
HK UMP, USC Cocking Lever
H&K Heckler & Koch
$24.95HK UMP & USC Cocking Lever New HK German part. Compatible With: HK UMP HK USCHKP-01884$24.95 -
HK UMP, USC Cocking Handle Pin
H&K Heckler & Koch
$7.95HK UMP & USC Cocking Handle Pin Compatible With: HK UMP HK USCHKP-01885$7.95 -
Out Of Stock
HK MP5, MP5K Flash Hider - 3-Lug - 9mm
HKP HK Parts
$99.95HKP HK MP5 9mm Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on in...HKP-17228$99.95 -
HK G36 FBI 0,1 Lower Complete
$499.95HK German G36, G36K, G36C - FBI (0,1) Lower This is a popular item for use on the SL8 to G36 conversions. The (0,1) G36 lowers are hard to obtain, and availability is limited.HKP-00628$499.95 -
HK SP5 Folding Stock w/ HK Parts Adapter
B&T Brugger & Thomet
$299.95B&T Folding Stock with HK Parts Adapter - SP5 B&T stock with a SP5 HK Parts Adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. Finished in black cerakote. This will...HKP-20663$299.95 -
HK91, G3 2-Stage Trigger
Timney Triggers
$348.95Timney Trigger for - HK91, PTR 91 The Timney HK91 trigger is factory-set with a two pound first stage and a two pound second stage pull weight. This offering comes complete with a factory German .308 ejector lever, ejector spring and ejector axle,...HKP-20508$348.95 -
HK MR556 A1, A4 Bolt Group - Complete
H&K Heckler & Koch
$529.95H&K HK MR556A1 and A4 Complete Bolt Group Complete semi-auto bolt carrier group for MR556A1/A4 receivers. Bolt carriers will be marked ".223 Rem" or "5.56 x 45". Includes The Following: MR556 Bolt Carrier Complete bolt head Firing pin...HKP-02618$529.95 -
HK91, G3 Handguard - Slimline Style - Used Good
H&K Heckler & Koch
$17.45Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield Very good condition. For the money, these are a nice addition to the collection. Compatible With: all full forearm length HK 91, G3, PTR style firearmsHKP-18316$17.45