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
Bolt Knob - Grenade - Titanium
Tactical Precision MFG
Now: $24.95Was: $48.99TPM - Grenade Bolt Knob - Titanium TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Can also fit any 5/16x24 threaded bolt handle. Grenade Bolt Knob - Titanium Dimensions: 1.90" x 7/8" x...HKP-20776Now: $24.95Was: $48.99 -
B&T TP9 Telescopic Brace
B&T Brugger & Thomet
$507.95B&T TP9 Telescopic Brace B&T Telescopic Arm Brace Adapter for a B&T TP9 pistol. Tailhook (BT-20422) is sold separately, not included. Compatible With: B&T TP9 ***Stabilizing braces sold by HK Parts are designed and intended for the...HKP-18945$507.95 -
B&T Unigrip Fixed With Storage Compartment - FDE
B&T Brugger & Thomet
$69.95B&T Vertical Grip - Fixed Style With Storage Compartment - TAN Swiss made B&T vertical for-end grip for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the grip. Will fit all mil-spec picatinny rails...HKP-18042$69.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set
HKP HK Parts
$2,389.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with all 6 of the needed US made compliance parts to be...HKP-20524$2,389.95 -
SOCOM Flash Hider - 7.62x51 / .308 - 3 Prong - Threaded 5/8x24
Surefire
$159.95Surefire (7.62x.308) SOCOM 3-Prong Flash Hider - Threaded 5/8x24 The SureFire three-prong flash hider is designed for Armalite AR-10, DPMS LR308, and other 7.62 rifles with 5/8x24 muzzle threads. Its patent-pending design reduces muzzle flash by over 99%...HKP-19992$159.95 -
On Sale
HK MP5 10mm Reverse Stretch Parts Kit
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 -
HK416, MR556 Vertical Grip - AR - Moe K2
Magpul
$22.95Magpul Moe K2 AR Grip Similar in concept to the MOE-K, the MOE-K2 is a drop in upgrade for AR15/M4's that offers a more vertical grip angle, but in a full-size grip design. The steeper vertical grip angle is optimized for use on PDW (Personal Defense...HKP-19567$22.95 -
Out Of Stock
HK417, MR762 Cylindrical Pin for Stop Pin
H&K Heckler & Koch
$9.95H&K HK MR762/417 Cylindrical Pin For Stop Pin HK 2x18 mm pin designed for use with the rear take down pin detent and spring. Compatible With: HK MR762 HK 417HKP-16619$9.95 -
HK417 Trigger - Geissele SSF
Geissele
$489.95HK417 SSF Trigger- Geissele The Geissele Super Select-Fire (SSF) HK417 trigger is a select-fire combat trigger that Geissele Automatics developed for the U.S. Special Operations Community. The HK417 SSF is a non-adjustable combat style two-stage trigger...HKP-16478$489.95 -
HK MP7 Charging Handle - Extended
H&K Heckler & Koch
$59.99HK MP7 Extended Charging Handle HK German Factory New Extended Charging Handle Compatible With: MP7 MP7A1 MP7A2HKP-18784$59.99 -
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 SS Firing Pin
HKP HK Parts
$29.95Firing Pin For HK 416 & MR556 Firearm - USA Made from hardened stainless steel and comes new in the white. Compatible With: HK416 HK MR556 HK CR556 HK M27HKP-01756$29.95