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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$21.95 -
On Sale
HK416, MR556 Castle Nut - USED
H&K Heckler & Koch
Now: $24.20Was: $32.95HK416, MR556 Castle Nut - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New HK German manufacture. This buffer tube castle nut will fit both mil-spec and commercial...Now: $24.20Was: $32.95 -
Out Of Stock
HK416, MR556 Flash Hider - Cloak - Threaded 1/2x28
Strike Industries
$44.95Strike Industries HK416/MR556 Cloak Flash Hider - 1/2x28 Strike Industries Cloak flash hider offers a compact, efficient design that disperses gas flow to minimize visible flash, especially in low light. It reduces muzzle flash to preserve night vision,...$44.95 -
Out Of Stock
HK416, MR556 Bayonet Adapter - M27 Style
H&K Heckler & Koch
$61.95Heckler and Koch Bayonet Adapter HK416, MR556 for M27 Build OEM bayonet adapter for HK416 and MR556 rifles for M27-style builds. Mounts to the barrel assembly to accept a standard bayonet. Specifications Bayonet adapter only (roll pin sold...$61.95 -
Out Of Stock
HK416 Convex Buttstock w/Wrench
H&K Heckler & Koch
$97.95H&K HK416 Convex Buttstock w/Wrench Factory-original H&K buttstock with convex buttpad and included tool. Compatible with HK416 rifles using MIL-SPEC buffer tubes (not included). Features: Ergonomic cheek weld Twist-off rubber buttpad with two...$97.95 -
HK416, MR556 Barrel - 5.56 - 9" - Threaded 1/2"x28 - PDW - A1 and A3
Nefarious Arms
$594.95Nefarious Arms HK 416C 9" Barrel The Nefarious Arms HK416/MR556 Barrel is built for shooters who demand precision, durability, and consistent performance. Made in the USA from 4150 chromoly steel, cold-hammer-forged, and chrome-lined for enduring...$594.95 -
HK416, MR556 Facemount KeyMount (KeyMicro) - 360HD 1/2-28 FD
JMAC Customs
$124.95JMac Customs 360HD 1/2-28 FD Facemount KeyMount (KeyMicro) The JMac Customs 360HD is a high-performance muzzle device designed for superior durability, recoil mitigation, and compatibility with suppressors. Engineered with 360° ports for optimal...$124.95 -
B&T Mount - 52mm - QD Skeleton - Aimpoint T Series
B&T Brugger & Thomet
$165.00B&T QD Mount "Skeleton" for Aimpoint T Series 52mm B&T universal Picatinny mount 52mm QD riser mount for the Aimpont T Series of optics. Quickly attach and detach your Aimpoint T Series optic with B&T's precision machined 52mm mount...$165.00 -
Picatinny Mount - 4 MOA
B&T Brugger & Thomet
$658.00Aimpoint Micro TL with B&T Universal Picatinny Mount - 4 MOA 4 MOA Aimpoint Micro TL and B&T Picatinny QD mount combo. B&T's precise QD mount ensure a repeatable zero when re-mounting this compact package.$658.00 -
HK 416 - 9" Light Speed Handguard
Strike Industries
$318.95Strike Industries HK 416 - 9" Handguard - Gridlok - Light Speed The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI...$318.95 -
HK MR556, MR762 Fixed Tactical Sling Adapter
H&K Heckler & Koch
$86.95HK MR556 & MR762 Factory Sling Adapter - Fixed Factory HK German design & the finest design available & made to last. New HK manufactured part to allow the factory HK416, MR762 slings to fit & work on the MR556, MR762 as this adds...$86.95 -
HK416, MR556 Locking Plate - Magazine
H&K Heckler & Koch
$9.95HK German HK MR556 & HK 416 Magazine Locking Plate$9.95