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 G3 Pistol Grip - PSG1 Sniper Style
AC-Unity
$39.95AC-Unity HK PSG1 Style Sniper Pistol Grip The new AC Unity Pistol Grip/Sniper Grip is a great upgrade if you want the PSG1 style grip frame for your HK firearm. The grip features an ambidextrous palm shelf for increased stability and weapon control...HKP-21628$39.95 -
HKP Range Bag - Small
HKP HK Parts
$29.95Get your hands on our new premium range bags. This range bag is compact while being able to hold a lot of gear. This range bag will easily carry a couple pistols, holster, several magazines & pouches, ammo, eye & hearing protection, and other...HKP-20740$29.95 -
HK416, MR556 Barrel Nut - Stainless Steel
HKP HK Parts
$39.95HK MR556, HK 416 Barrel Nut or Socket For Barrel - Stainless Steel A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in...HKP-17334$39.95 -
HKP HK G36/SL8 Family Armorer's Manual
HKP HK Parts
$19.95HK G36 & HK SL8 Family Armorer's Manualf This manual is the most comprehensive manual available for the G36 & SL8 family of firearms. The manual covers the G36 & SL8 family in-depth to include all aspects of history, origin, makeup,...HKP-00627$19.95 -
HK91, G3 Rear Sight Assembly - Used-Excellent
H&K Heckler & Koch
$18.95HK German G3, 91, PTR Rear Sight Assembly - Used Excellent Condition HK German factory sight with rear sigh detent and detent spring installed. These sights are the finest hand-picked, sorted sights available at a fraction of the cost of a new $85 set...HKP-02229$18.95 -
HK91, G3 Stock Set with Backplate - OD Green - Hand Picked
H&K Heckler & Koch
$84.95Original G3, 91, PTR German Army Used Surplus O.D. Green Stock Set - Complete Factory HK German Production. Each stock set is used but in perfect working order. Each set was hand picked and the best sets we have in stock. Includes: Slimline...HKP-18237$84.95 -
HK416, MR556 Mil-Spec Enhanced Buffer Tube
H&K Heckler & Koch
$254.95HK 416 & MR556 OTB (over the beach) Buffer Tube/Receiver Extension Each mil-spec buffer tube has built-in drainage holes in the rear of the tube and also on the bottom to maximize efficiency. Each buffer tube has ball-bearing rollers to tighten the...HKP-02716$254.95 -
HK Selector Catch Lever Spring - Ambi Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring takes the spring tension off of the left and right side...HKP-17328$12.95 -
On Sale
FS1913 Stabilizing Brace - Folding
SB Tactical
Now: $207.95Was: $260.99SB Tactical FS1913 Folding Pistol Stabilizing Brace A low-profile, left side-folding, strut design compatible with all platforms utilizing an M1913 interface at the rear of the receiver. The FS1913 is a complete assembly offering pull-through opening and...HKP-19132Now: $207.95Was: $260.99 -
On Sale
HKP 30 Round HK UMP 9mm Magazine - FDE
HKP HK Parts
Now: $24.95Was: $49.95HK UMP 9mm magazine - FDE THIS SHADE OF FDE HAS BEEN DISCONTINUED. STOCK UP AT HALF PRICE BEFORE THEY ARE SOLD OUT FOR GOOD. UMP 30 round magazine for the UMP. Each magazine features enhanced steel feed lips, and a 30-round magazine capacity. Each...HKP-20481Now: $24.95Was: $49.95 -
HK417, MR762, G28 Buttstock Set - Adjustable
H&K Heckler & Koch
$599.95HK G28 Fully Adjustable Stock For The MR762 & HK 417, G28 The hard to find elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to allow this stock system to be used. HK German manufacture and...HKP-16761$599.95 -
HK416, MR556, MR762 Clamping Sleeve Safety Lever
H&K Heckler & Koch
$7.95H&K HK MR556/MR762/416 Clamping Sleeve Safety Lever There are one of the same pin on both sides. Compatible with: HK MR556 HK 416 HK MR762HKP-15252$7.95