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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On Sale
HK416, MR556 Quad Rail - 7" - M-LOK
HKP HK Parts
Now: $127.95Was: $199.95HKP 7" M-LOK Quad Rail Compatible With: HK 416 HK MR556HKP-17986Now: $127.95Was: $199.95 -
Out Of Stock
HK416, MR556 M-LOK 9" Handguard
HKP HK Parts
$199.95HK MR556 & HK416 9" M-LOK Forearm Specifications: Weight: 10.2 oz MADE IN THE USA BILLET MACHINED MUCH LIGHTER THAN THE HK FACTORY FOREARM OFFERINGSHKP-17981$199.95 -
Out Of Stock
HK416, MR556, AR-15 Pistol Grip - Ambi Safety Compatible
UTG PRO
$14.95UTG PRO AR-15 Pistol Grip with Beaver Tail - Ambi Safety Compatible Made in the USA, the UTG PRO AR-15 Pistol Grip is designed with ergonomic palm swells, a beavertail, and finger grooves for a secure, consistent hold and improved comfort...HKP-99448$14.95 -
On Sale
WOOX M-LOK Rail Covers - Checkered - GEN2
WOOX
$35.95 - $44.95WOOX Checkered GEN2 HK Rifle, SMG M-LOK Rail Covers The checkered GEN2 M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection. The Checkered texture uses black nylon bushings and is...HKP-22463-M$35.95 - $44.95 -
On Sale
HK416, MR556 QD Handguard - A4 Style - 10"
H&K Heckler & Koch
Now: $448.95Was: $497.95H&K HK416, MR556 A4 10" Quick Disconnect Handguard Factory HK A4 handguard featuring HK's A4 quick disconnect latch. Compatible with A1 and A4 rifles. Features: Quick disconnect latch for tool-free removal and installation 12 o'clock Picatinny...HKP-22426Now: $448.95Was: $497.95 -
On Sale
Rail Panel Cover - M-LOK - 3 Slot
JMK
$17.95 - $23.95JMK Rail Panel Cover - M-LOK - 3 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...HKP-22403-M$17.95 - $23.95 -
On Sale
HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A5 Profile
Nefarious Arms
Now: $535.95Was: $594.95Nefarious Arms HK MR556416 10.4" A5 Barrel An expertly crafted 10.4" barrel designed for the HK MR556 and 416 platforms. Featuring the A5 profile, this barrel balances durability and weight, making it an excellent choice for both tactical and...HKP-21873Now: $535.95Was: $594.95 -
Out Of Stock
Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO
B&T Brugger & Thomet
$148.95B&T 52mm QD Skeleton Mount for Aimpoint ACRO The B&T QD Skeleton Mount for the Aimpoint ACRO offers a 52mm elevated profile for improved sight alignment. It is ideal for night vision setups that require clearance over forward-mounted IR devices...HKP-21860$148.95 -
On Sale
HK416, MR556, HK417, MR762, G36, SL8 Gas Piston - Complete - BLEMISHED
H&K Heckler & Koch
Now: $27.95Was: $50.95H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston - BLEMISHED INSTALLATION MARKINGS. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New HK German gas...HKP-00047-BNow: $27.95Was: $50.95 -
HK MR556 Barrel 5.56 / .223 - 16.5" - Slimline
H&K Heckler & Koch
$489.95H&K MR556 Slimline Barrel, 16.5" Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556HKP-21322$489.95 -
Out Of Stock
HK416, MR556 Handguard - Standard Length - Quad Rail
H&K Heckler & Koch
$0.00H&K HK MR556/416 Standard Length Quad Rail HK German HK416 & MR556 quad rail complete that includes HK 416/MR556 Handguard Screw. This handguard can also be installed on the CR556 models as well. Compatible With: HK MR556 HK 416 HK CR556HKP-02546$0.00 -
On Sale
HK416, MR556 Handguard - KeyMod 9"
HKP HK Parts
Now: $99.95Was: $269.95HK MR556 & HK416 Standard Length 9" - KeyMod HandguardHKP-17982Now: $99.95Was: $269.95