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 UMP Flash Hider - Birdcage Style - 5/8x24
HKP HK Parts
$49.95HKP HK UMP Flash Hider - Birdcage Style - 5/8x24 We are pleased to present the HKP UMP birdcage flash hider, designed specifically for our UMP 45 parts kit. This exceptional accessory not only protects exposed threads but also enhances the overall...HKP-21579$49.95 -
HK MP5 Stock or Brace Adapter - Folding - .22 LR - Alpha
MI Midwest Industries
$419.95MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style...HKP-21515-M$419.95 -
On Sale
HK MP5 Bolt Group - 9mm - Full Auto - Complete
H&K Heckler & Koch
Now: $2,245.95Was: $2,874.95H&K HK MP5 9mm Complete Full Auto Bolt Group This is a factory genuine HK German full auto bolt group compiled with the best German parts available for those that need the best parts on their beloved MP5. Last call on these as they are NLA and...HKP-21478Now: $2,245.95Was: $2,874.95 -
Out Of Stock
HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...HKP-21158$279.95 -
On Sale
Bolt Knob - Fluted – Bronze
Tactical Precision MFG
Now: $19.95Was: $37.99TPM Fluted Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24HKP-20906Now: $19.95Was: $37.99 -
HK G36K Handguard - Heat Shield and Handstop - FDE
HKP HK Parts
$109.95HKP HK G36K Forearm With Hand Stop & Heat Shield HK G36K-length forearm, latest production style, with an integrated heat shield. This handguard includes a built-in hand stop, sling attachment points, and molded mounting locations for adding bottom,...HKP-19301$109.95 -
HK G36C Piston Rod - Black - Incomplete
H&K Heckler & Koch
$49.95H&K HK G36C Incomplete Gas Piston Rod - Black A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part.HKP-17009$49.95 -
Out Of Stock
RMR,SRO Adapter - 45° - Rail Offset
USA
$91.45Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...HKP-20336$91.45 -
On Sale
Key Mount Tool - Crows Foot Wrench for Dead Air Suppressors
Wasatch Arms
Now: $29.95Was: $54.95Wasatch Arms Key Mount Tool The Dead Air Crows Foot Wrench engages directly on the Key Mount brake allowing proper axial torque for quick and easy installation. Made in the USA and finished in black nitride.HKP-20299Now: $29.95Was: $54.95 -
HK416, MR556, AR-15 Stock - MOE - MIL Spec
Magpul
$44.95Magpul MOE Stock MIL SPEC Magpul Industries MOE Carbine Black Stock Complete - MIL Spec Compatible With: MR556 & HK 416 equipped with mil-spec buffer tubes AR-15 platforms with mil-spec buffer tubesHKP-19393$44.95 -
HK417, MR762 Axle Extractor Retaining Pin
H&K Heckler & Koch
$8.95H&K HK MR762/417 Axle Extractor Retaining Pin This extractor retaining pin is constructed of durable, black finished, steel and is an OEM factory original H&K component. This retaining pin is designed to fit the HK417 & MR762 model of rifles...HKP-16810$8.95 -
HK417, MR762 Barrel Nut
H&K Heckler & Koch
$99.95HK MR762 Barrel Nut Or Socket Barrel - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced./417 Compatible With: HK MR762/417HKP-16597$99.95