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 OTB E1 Stock & Buffer Tube Combo
H&K Heckler & Koch
$469.95H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth...HKP-20104$469.95 -
Battle Sight - Rear
Troy Industries
$129.95Troy Industries Rear Battle Sight Durability and dead-on accuracy have made the Troy Industries Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Easy to install and deploy, with no levers or springs to fumble...HKP-00032$129.95 -
On Sale
HK416, MR556 Compensator Flash Hider - Threaded 1/2x28
HKP HK Parts
Now: $23.95Was: $39.95HKP HK Parts .556 / .223 Compensator Flash Hider - Threaded 1/2x28 Threaded in 1/2x28, this compensator is compatible with HK 416, MR556, and other AR-style applications. The blitz compensator is renowned for its effectiveness, offering a significant...HKP-18468Now: $23.95Was: $39.95 -
Out Of Stock
HK416, MR556 Magazine Catch - Ambi
H&K Heckler & Koch
$92.95H&K HK MR556, HK416 Mag Catch - Ambi Factory HK ambidextrous magazine catch/release. Compatible With: HK416 A5 HK MR556 A4 NOT compatible with earlier variants with single-side controlsHKP-22289$92.95 -
Picatinny, MLOK Optic Mount - Protac 2.0
Streamlight
$169.99Streamlight HK MR556/HK416 Protac 2.0 Rail Mount The Streamlight ProTac 2.0 Rail Mount HP is a high-performance rail-mounted tactical light designed for long-gun applications. Producing 2,000 lumens and 100,000 candela, it delivers intense, far-reaching...HKP-21939$169.99 -
HK416, HK MR223 M-LOK Handguard for (11") - Coyote Tan
B&T Brugger & Thomet
$279.95B&T M-LOK Handguard for HK416/MR223 (11") - Coyote Tan B&T's one-piece 10-inch MLOK handguard for the Heckler & Koch HK416 and civilian equivalent MR223 is an amazing improvement for the combat value of these rifles. A direct replacement for...HKP-20400$279.95 -
Out Of Stock
HK416, MR556 14.5" Super Modular Rail System - FDE
Geissele
$549.95Geissele HK416, MR556 14.5" Modular Rail - Desert Dirt Color (DDC) 13.625" overall length Geissele HK 416, MR556 free float rail with HK 416 14.5" barrel and MR 556 16.5" barreled upper. This is a direct replacement item for your HK MR556 and 14.5"...HKP-16462$549.95 -
HK MR556, MR762 Rail Segment - 5 slot
H&K Heckler & Koch
$39.95HK MR556 & MR762 Rail Segment - MRS 5 slot Rail ASM New Factory HK 5 slot rail segment for the MRS style HKey mod rail forearms. ***Not compatible with the Euro spec HKey "Small", this is for the Modular Rail System "Large type" HKey spec, which is...HKP-17510$39.95 -
On Sale
Harris Bipod Adapter - Picatinny
GG&G
Now: $14.95Was: $39.95Harris Bipod Adapter Made By GG&G Enables a Harris Bi-pod to attach to a mil-spec Picatinny rail. GG&G's AR-15 Harris Bipod Adapter is rugged and low profile. Features of the GG&G Bipod Adapter include a stationary standard swivel stud, a...HKP-02307Now: $14.95Was: $39.95 -
HK Single Point Sling - ACU Digital Camo
HKP HK Parts
$29.95HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...HKP-15041$29.95 -
HK416, MR556, HK417, MR762 Rear Sight - Flip Up 2mm - RAL8000
H&K Heckler & Koch
$446.95Heckler and Koch HK416, MR556 Flip Up 2mm Rear Sight - RAL8000 Factory HK quick change, flip up rear sight in RAL 8K with a 2mm aperture. Attaches directly to any standard Picatinny rail using a self-contained quick-attach push button system. Designed...HKP-18500$446.95 -
HK 416A5 Flash Hider - 1/2x28
H&K Heckler & Koch
$95.95H&K 416 (5.56/.223) German Flash Hider - 1/2x28 This flash hider is not compatible with suppressors. Compatible With: HK 416 A5- 11" HK 416 A5- 14.5" HK 416 A5 - 16.5" HK 416 A5- 20"HKP-18521$95.95