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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On Sale
HK416, MR556 Flash Hider - Threaded 1/2x28
HKP HK Parts
Now: $23.95Was: $39.95HKP (.556/.223) Compensator Flash Hider - Threaded 1/2x28 Threaded in 1/2x28, this compensator is compatible with HK 416, MR556, and other AR-style applications. The blitz compensator is renowned for its effectiveness, offering a significant upgrade over...HKP-18468Now: $23.95Was: $39.95 -
HK G36 Rubber Optical Sight Cover
H&K Heckler & Koch
$10.95H&K HK G36 Rubber Optical Sight CoverHKP-16377$10.95 -
HK UMP Firing Pin Retainer Pin
H&K Heckler & Koch
$7.95HK UMP Firing Pin - Retainter Pin This is the pin that trips the trip lever on the UMP lower. Compatible With: HK UMPHKP-01894$7.95 -
HKP HK MP5 (.40 S&W) Locking Roller +2
HKP HK Parts
$11.95HK US MP5 .40 S&W Locking Roller, +2 The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mm Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the...HKP-17564$11.95 -
HK91, G3 Fixed Stock with Enhanced Heavy Buffer - Alpine Green - Surplus
H&K Heckler & Koch
$129.95HK German Surplus G3, 91, PTR Stock Complete with Enhanced Heavy Buffer Installed - Alpine Green The Alpine green stock was the last version that the German military produced and is the darkest green version available. All stocks are 90's...HKP-18934$129.95 -
HK G3 Parts Kit - Tungsten Filled Carrier - (Greek HK Contract)
EBO
$389.95HK Contract Greek EBO G3 .308/7.62 X 51mm Surplus Parts Kit Rare and HK Greek EBO Surplus G3 parts kits with the Tungsten filled bolt carriers. Each demilled parts kit comes with all parts from a functional HK G3 full auto rifle except the barrel and...HKP-17695$389.95 -
HK90 Series Cocking Tube Extrusion - 12" Section
H&K Heckler & Koch
$54.95H&K Factory Cocking Tube Extrusion 12" Section HK cocking tube section is perfect for custom HK cocking tube projects. Overall length is 12" long. All steel and ready for that custom project or custom build. Perfect for custom cocking tube...HKP-13487$54.95 -
HK MP5 Trunnion - 10mm / .40 S&W
HKP HK Parts
$139.95MP5 40 & MP5 10mm Trunnion Machined from ordnance-grade steel and heat-treated to factory specs. Each has the bullet guides pre-installed and included. These are the best USA-made trunnions on the market. Machined to HK spec, making the installation...HKP-02737$139.95 -
HK MP5 Weldment Set - 10mm / .40 S&W
HKP HK Parts
$189.95HKP MP5 40/10 Bolt Hold Open Weldment Set Complete Not offered or available anywhere else. This is the correct weldment set for the MP5 40/10 BHO components.HKP-17648$189.95 -
Out Of Stock
HK MP5 Field Cleaning Kit - 10mm / 40 S&W
HKP HK Parts / Heckler & Koch
$79.95H&K MP5 40/10 Field Cleaning Kit This cleaning kit is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder Chamber Face...HKP-00340$79.95 -
HK MP5, HK33, HK53, HK93 Grip Frame Housing - 2 Position S,F,Pictogram - Clipped, Pinned - 9mm, 5.56 / .223
PTR
$99.95PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This is made by PTR-91 to exact HK specs. These housings come clipped and ready for the semi-auto shelf. This HK aftermarket trigger...HKP-00840$99.95 -
HK MP5 Barrel - 9mm - 8.85" - 3 Lug
RCM
$149.95RCM HK MP5 9mm Barrel - Non-Threaded 3-Lug Made from Cold Hammer Forged (CHF) steel, each high-quality barrel is processed with a durable nitride finish, similar to the treatment used by Sig Sauer. Precision-milled to the latest specifications with...HKP-02040$149.95