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 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 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 -
Out Of Stock
PWS Keymod Bipod Adapter for Harris Style Bipods
PWS Primary Weapon Systems
$21.95Keymod Bipod Adapter for Harris Style Bipods The Harris Style Bipod Mount is quick to install and easy to use. Fits snug to your KeyMod or PicMod handguard and ensures a stronghold on your Harris Bipod.HKP-19272$21.95 -
HK MR556, CR556, MR762 Rail Segment - 20 Slots - H-Key
HKP HK Parts
$49.95HKP HK MR556/CR556/MR762 H-Key 20 Rail Segment 20 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 similar models...HKP-17848$49.95 -
HK416, MR556 Magazine Follower - Steel Maritime
H&K Heckler & Koch
$14.95H&K HK MR556/416 Steel Maritime Magazine Follower Compatible With: HK 416 factory magazines such as 30, 20 and 10 roundHKP-15452$14.95 -
On Sale
M-LOK Bipod Mount
Magpul
Now: $19.95Was: $29.95Magpul M-LOK Bipod Mount The Magpul M-LOK Bipod Mount allows for the attachment of Harris®-style stud mounted bipods to M-LOK compatible hand guards and forends. The M-LOK Bipod Mount offers a low-profile, robust, and elegant mounting solution for...HKP-17269Now: $19.95Was: $29.95 -
Out Of Stock
MLOK LINK Rail Section - 7 Slots - QD
Strike Industries
$25.95Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and Key-Mod,...HKP-17594$25.95 -
HK416 A5, MR556 A3 Barrel Nut
Nefarious Arms
$39.95Nefarious Arms HK MR556 A3/416 A5 Barrel Nut Whether replacing a barrel nut or sourcing the best parts for your build, the Nefarious MR556/416 barrel nut is an excellent option. Meticulously crafted in the US to the highest quality standards...HKP-22082$39.95 -
Picatinny Optic Mount - 39mm - Skeleton Mount - Aimpoint ACRO
B&T Brugger & Thomet
$150.00B&T 39mm QD Skeleton Mount for Aimpoint ACRO The B&T QD "Skeleton" mount for Aimpoint® Acro offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR devices. Its...HKP-21730-M$150.00 -
Out Of Stock
HK416, HK417, MR556, MR762 Eyelet Sling Adapter
HKP HK Parts
$89.95HK MR556, MR762 Eyelet Sling Adapter for Carrying Sling Eyelet sling adapter for HK MR556 and MR762 platforms. Designed to match RAL8000 and tanodized handguards, this adapter installs at the front of the rail to provide a secure sling attachment...HKP-21064-M$89.95 -
HK416, MR556 Vertical Grip - AR - Moe K2
Magpul
$22.95Magpul Moe K2 AR Grip Similar in concept to the MOE-K, the MOE-K2 is a drop in upgrade for AR15/M4's that offers a more vertical grip angle, but in a full-size grip design. The steeper vertical grip angle is optimized for use on PDW (Personal Defense...HKP-19567$22.95