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 Firing Pin - Silver
GSG9
$34.95Firing Pin for HK 416 & MR556 Firearm - USA - GSG9 US made HK 416 & MR556 Made from hardened stainless steel. Compatible With: HK416 HK MR556 HK CR556 HK M27HKP-20650$34.95 -
Geissele HK 416 10.5" M-LOK Handguard - DDC
Geissele
$468.95Geissele HK 416 10.5" M-LOK Handguard - DDC The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity...HKP-20225$468.95 -
Holosun 510 Series Open Reflex Sight - Picatinny Mount
Holosun
$354.95Holosun 510 Series Open Reflex Sight - Universal Picatinny Mount 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...HKP-21656-M$354.95 -
HK416A5, HK417 Universal Tool
H&K Heckler & Koch
$129.95Heckler and Koch Universal Tool for HK416A5, HK417 Genuine HK multi-tool designed for the HK416A5 and HK417. Suitable for both bench and field use, this factory tool provides the essential functions needed for routine maintenance and adjustments. Compact...HKP-21621$129.95 -
HK416, MR556 Barrel - 5.56 - 14.5" - Threaded 1/2"x28- A3 - Light
Nefarious Arms
$594.95Nefarious Arms HK 416/MR556 14.5" A3 Barrel Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting. Grab this expertly crafted barrel for your next SBR or pistol build. Compatible With: HK 416 A1,...HKP-21589$594.95 -
Backup Sights - Picatinny
Strike Industries
$84.95Strike Industries 1913 Picatinny Backup Sights Features: Built-in backup sights when flipped down for quick target acquisition Low-profile and low snag design Toolless adjustments of windage and elevation Quick sliding dual aperture rear sight...HKP-21314$84.95 -
Out Of Stock
HK XM8 Sling - Black
H&K Heckler & Koch
$99.95H&K HK XM8 Sling - Black New HK German XM8 Tactical Sling. The real deal and a rare HK collectible. Only a few available.HKP-17669$99.95 -
HK416, MR556 Charging Handle Roll Pin
$7.95HK 416, MR556 Roll Pin for Charging Handle - HKP This is the shorter one that is used on the inside of the charging handle. There are two of these pins used per charging handle.HKP-16536$7.95 -
Out Of Stock
HK416, MR556 Magazine Floorplate - 5.56 / .223 - 10,20,30 Round - Complete
H&K Heckler & Koch
$10.95HK German HK 416, MR556 Floor Plate Extension Complete All steel HK Marked 30, 20 & 10 round floor plates. Each unit comes complete with the rubber bushing installed in the maritime finish. It is a great spare to have on hand as these do break...HKP-15209$10.95 -
HK416 A3 Handguard - Flip Up Sight - 11" - Extended
H&K Heckler & Koch
$799.95HK 416 A3 Extended Forearm With Integrated Flip Up Front Sight: HK designed & manufactured in Germany 11" HK416 A5, MR556 extended quad rail. This drop in unit offers 2 full inches in extra length. Not the standard 9" rail that comes with the HK...HKP-17377$799.95 -
Out Of Stock
HK416, MR556 Ejector Spring
H&K Heckler & Koch
$39.99HK 416 & MR556 Ejector Spring Compatible With: MR556 HK 416HKP-02538$39.99 -
HK416, MR556, G36 Barrel Chamber Cleaning Brush
HKP HK Parts
$24.95HK G36 & HK SL8 German Chamber Cleaning Brush (Cleans INSIDE Chamber) More details...HKP-00803$24.95