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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Out Of Stock
HK416, MR556, MR762 Buttstock Locking Bolt
H&K Heckler & Koch
$0.00H&K HK MR556/MR762/416 Buttstock Locking Bolt Compatible With: HK MR556 HK 416 HK MR762HKP-16845$0.00 -
HK416, MR556 C.A.R.L. - 2, 3, or 6 Round Interchangeable Cam Limiter
AS Designs
$55.00ST Inc Limiter Cam for HK416, MR556 ARC-Fire CARL Lever - 2, 3, and 6 Round Options Limiter cam for the ST Inc CARL lever used with the HK416 and MR556 ARC-Fire trigger setup. Available in 2, 3, and 6 round configurations, each cam changes the CARL reset...HKP-22565-M$55.00 -
On Sale
WOOX M-LOK Rail Covers - Teardrop - GEN2
WOOX
$53.95 - $67.95WOOX GEN2 Teardrop M-LOK Rail Covers The teardrop M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection, while bringing that signature wood look to your build. The GEN2 Teardrop pattern uses...HKP-22462-M$53.95 - $67.95 -
On Sale
HK416, MR556 Enhanced Buffer Tube - Tan
H&K Heckler & Koch
Now: $173.95Was: $192.95Tan HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German-manufactured 416 & MR556 latest generation, marine environment & and over-the-beach buffer tube. Each commercial buffer tube features built-in...HKP-22086Now: $173.95Was: $192.95 -
On Sale
HK416 Catch - Bolt Hold Open
USA
Now: $19.95Was: $39.95HK 416 Bolt Hold Open Catch US-made bolt hold open catch for the HK 416. Compatible With: HK 416 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99101Now: $19.95Was: $39.95 -
On Sale
M-Lok Paraclip Sling Mount
Magpul
Now: $17.95Was: $19.95Magpul M-Lok Paraclip Sling Mount The M-LOK Paraclip Sling Mount is a steel clip-in sling mount for M-LOK compatible systems. It is constructed of high-grade, precision cast steel and has an extremely durable QPQ salt bath nitride finish. With a...HKP-21874Now: $17.95Was: $19.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2
B&T Brugger & Thomet
$737.95B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm The Aimpoint Acro P-2, paired with the B&T Skeleton Mount (39mm), takes the ACRO reflex sight to new heights in durability and reliability. It's fully enclosed design protects against rain, mud...HKP-21857-M$737.95 -
On Sale
HK416, MR556 Front Sight Roll Pin
H&K Heckler & Koch
Now: $4.45Was: $4.95Heckler and Koch Front Sight Roll Pin for HK416 and HK MR556HKP-02659Now: $4.45Was: $4.95 -
On Sale
WOOX Vertical Grip - M-LOK
WOOX
Now: $75.95Was: $88.95WOOX HK Rifle, SMG M-LOK Vertical Grip This M-LOK vertical grip is a compact, ambidextrous foregrip made from American walnut with a reversible dual-wall design (vertical wall AND curved wall) to suit different grip styles. The checkered texture is...HKP-22464Now: $75.95Was: $88.95 -
On Sale
HK416, MR556 Charging Handle - E2
H&K Heckler & Koch
Now: $138.95Was: $153.95Heckler and Koch E2 Charging Handle for HK416, MR556 Factory HK charging handles for the MR556, HK416 platform. The standard MR556 charging handle allows the release latch to be configured on either the right or left side for user preference. The HK E2...HKP-22021Now: $138.95Was: $153.95 -
Out Of Stock
Picatinny Optic Mount - Holosun 510C, HM3X Combo
Holosun
$599.95Holosun 510C & HM3X Combo - Optic & Magnifier The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum housing...HKP-21657$599.95 -
On Sale
HK MR556 Rail System - 10" - M-LOK
KDG Kinetic Development Group
Now: $279.95Was: $374.95KDG HK MR556 10" M-LOK Rail System Direct-mount rail system designed to replace the factory HK MR556 handguard. Features a continuous monolithic Picatinny rail at the 12 o’clock position and M-LOK mounting slots at the 3, 6, and 9 o’clock...HKP-19246Now: $279.95Was: $374.95