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, 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 -
HK417, MR556, MR762 Index Pin Spring
H&K Heckler & Koch
$7.95H&K HK MR556/MR762/417 Index Pin Spring Compatible With: HK MR556 HK 417 HK MR762HKP-17021$7.95 -
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 -
HK416, HK417, MR556, MR762 Sear Release Rocker Latch
H&K Heckler & Koch
$99.95H&K HK MR556/MR762/416/417 Sear Release Rocker Latch Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-12705$99.95 -
HK MR556 A4 13.4" Complete QD Handguard
H&K Heckler & Koch
$499.95H&K MR556 A4 13.4" Complete QD Handguard Genuine H&K MR556 A4 quick detach handguard has a Picatinny rail at 12 o’clock, M-LOK slots at 3, 6, and 9 o’clock, and two QD sling swivel cups for ambidextrous sling attachment. It provides...HKP-22184$499.95 -
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 -
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 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 Semi-Auto Hammer - Complete
H&K Heckler & Koch
$107.95H&K HK416, MR556 Semi-Auto Hammer - Complete Genuine German complete hammer and spring assembly. Includes: Semi-auto hammer Hammer spring Side bushing Compatible With: MR556A1 MR556 A4 HK416 AR-15 AR-15 style semi-auto firearms chambered in...HKP-02673$107.95 -
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 -
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 -
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