HK416 / MR556 Series
Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.
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HK416, MR556 Handguard - 9" - M-LOK
H&K Heckler & Koch
$244.95H&K HK MR556/HK 416 9" M-LOK Handguard - Black New HK German manufactured forearm for the HK 416 and MR556 firearm. Comes exactly as pictured. Compatible With: HK MR556 HK 416HKP-19670$244.95 -
Aimpoint T1 Optic Mount - Lower 1/3 Co-Witness
AIM
$29.99Aimpoint - T1 Mount - Lower 1/3 Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series opticsHKP-19335$29.99 -
HK416, MR556 Carbine Stock - MOE - Commercial Spec
Magpul
$54.95Magpul MOE (Magpul Original Equipment) Commercial-Spec Model for AR15/M4 Carbines Made in the USA, the MOE stock Commercial-Spec Model is a drop-in replacement buttstock for AR15/M4 carbines using commercial-spec-sized receiver extension tubes. The...HKP-10629$54.95 -
HK416, MR556, HK417, MR762 Pistol Grip - PSG1 Style
H&K Heckler & Koch
$102.95H&K PSG1 Style Grip Factory H&K PSG1-style grip, offering improved comfort and control for precision shooting. Features: Textured surface for enhanced grip stability Ergonomic design reduces hand fatigue Adjustable palm shelf for customizable...HKP-22311$102.95 -
HK416, MR556, HK417, MR762 Handguard Locking Screw - A4 Style
H&K Heckler & Koch
$22.95HK416, MR556, HK417, MR762 - A4 - Handguard Locking Screw Replacement locking screw that secures the A4 handguard to the upper receiver. Compatible With: HK HK416 A4 HK MR556 A4 HK HK417 A4 (2 required per handguard) HK MR762 A4 (2 required per...HKP-22304$22.95 -
Picatinny Sight Mount - RMR, Holosun
HKP HK Parts
$97.95HKP HK MP5/K RMR / Holosun Picatinny Sight Mount The HKP HK MP5/K RMR / Holosun Picatinny sight mount offers a secure, low-profile platform for RMR and Holosun optics. Compatible with any firearm featuring a Picatinny rail. It ensures solid mounting,...HKP-22068$97.95 -
HK MP5, MP5K Optic Mount, ACRO P-1, P-2 - Picatinny
HKP HK Parts
$98.95HKP HK MP5, MP5K Aimpoint ACRO Picatinny Sight Mount The HKP Aimpoint ACRO Picatinny mount is a rugged, low-profile solution for mounting your ACRO red dot sight. Designed to fit any firearm with a Picatinny rail. It ensures a secure fit, optimal sight...HKP-22067$98.95 -
HK416, HK417, MR556, MR762 Trigger
H&K Heckler & Koch
$189.95H&K HK MR556/MR762/416/417 Trigger Made in Germany. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-15210$189.95 -
Picatinny Optic Mount Shield - ACRO P2, C2 - S.W.O.R.D.S
Frost Defense
$239.95Aimpoint ACRO P-2, C-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint ACRO P2/C2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the...HKP-22341-M$239.95 -
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 -
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 -
HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK...HKP-18200$369.95