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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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 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 -
HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH
HKP HK Parts
$29.95HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp easily threads on to the end of any factory...HKP-21635$29.95 -
HK416, MR556 Adjustable Gas Block - 11-20" A1 Barrels - NA5
Nefarious Arms
$374.95Nefarious Arms - NA5 HK 416 Adjustable Gas Block Nefarious Arm user configurable 2-position adjustable gas block compatible with 11″ – 20″ A1 MR556 and HK416 barrels. Each gas block ships with 6 vent screws, a screwdriver,...HKP-21040$374.95 -
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 -
Out Of Stock
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 -
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