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
HKP Women's Shirt - Short Sleeve - Gray
HKP HK Parts
Now: $9.99Was: $14.95HKP Short Sleeve Shirt for Women in Gray Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Female fit Fine cotton High fidelity DTG...HKP-21020-MNow: $9.99Was: $14.95 -
On Sale
HK MP5 Parts Kit - Reverse Stretch - 10mm
HKP HK Parts / Heckler & Koch
Now: $1,749.95Was: $1,889.95MP5 10mm Reverse Stretch Pistol Build Kit Complete German & USA Made Parts ON SALE WHILE SUPPLIES LAST! MP5 10mm Reverse Stretch parts kit complete with all the parts needed for an MP5 10mm semi-auto pistol. Each kit comes with all 6 of the needed US...HKP-19818Now: $1,749.95Was: $1,889.95 -
HK MR556, CR556, MR762 Rail Segment - 20 Slots - H-Key
HKP HK Parts
$49.95HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment 20 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and similar models...HKP-17848$49.95 -
HK MR556, MR762 H-Key 17 Rail Segment
HKP HK Parts
$44.95HK MR556, CR556 & MR762 HKey Rail Segment - 17 Slot 17 slot rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...HKP-17847$44.95 -
HK416, MR556 Handguard - Extended Windowed - RAL8000
H&K Heckler & Koch
$840.00HK416A5, MR556 Extended Windowed Handguard - RAL 8000 HK German HK416 A5 extended handguard with window for use of the suppressed/non-suppressed gas block. This handguard is designed to minimize heat mirage. 14 7/8" long, 1lb, 4oz. Compatible With: HK...HKP-17711$840.00 -
HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH
RCM
$164.95RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...HKP-02392$164.95 -
Out Of Stock
HK91, G3 Complete Semi Bolt Group
HKP HK Parts
$339.95US Made HK 91/G3 Semi-Auto Bolt Group Complete - New Each bolt group is built using HK factory prints and specs here in the US. As a bonus, each bolt group counts as two US parts for US 922r compliance. Everything you need as a spare or a direct...HKP-01473$339.95 -
HK91, G3, PTR TWO Magazines with Pouch - 20 Round - Aluminum
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ New Vinyl Mag Pouch Combo deal: 2 X 20 round aluminum magazines with new green vinyl mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51 Century HK 308...HKP-16324$49.95 -
Out Of Stock
HK MSG90 T-Rail Set - Factory Correct
Michaels Machines
$389.95MSG-90 Style Receiver Reinforcement Left & Right Side Rail Set Each set is new in white and an exact reproduction of the factory German HK MSG-90 side receiver rails. These rails have the factory-correct holes for welding and the ejection port...HKP-00567$389.95 -
HK91, G3, HK33, HK53, HK93 Stock and Stock Adapter - AR Style
PTR
$209.95PTR AR Brace/Stock Adapter w/ Magpul Stock - G3, 91, 93, 53, 33 AR15/M16 to HK 90 series stock adapter set with a Magpul MOE stock installed as well as the buffer tube and castle nut. Just use your existing back-plate and MIL-SPEC buffer assembly and you...HKP-15457$209.95 -
HK MP5K Receiver Flat - .40 S&W, 10mm
HKP HK Parts
$199.95MP5K-40, MP5K-10 Receiver Flat - USA Receiver Flat for use with a MP5K-40 or MP5K-10mm build. Please note: This is for the flat as picture no weldments are included. ***This US made receiver flat counts as one required 922r compliant part***HKP-18033$199.95 -
HK MP5 Locking Roller +4 - .40 S&W, 10mm
H&K Heckler & Koch
$20.95H&K Heckler and Koch New +4 roller for HK MP5 40/10 Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production. Please Note: The price listed is per roller...HKP-00335$20.95