H&K Heckler & Koch

HK 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...

H&K HK MR556/416 Steel Maritime Magazine Follower Compatible With: HK 416 factory magazines such as 30, 20 and 10 round

HK German HK MR556 & HK 416 Magazine Locking Plate  

H&K HK MR556/416 Magazine Release Button New HK German Manufacture. Compatible With: HK MR556 HK416 AR15, M4 & M16 firearms

HK German HK MR556 & HK 416 Magazine Spring  

HK 416 & MR556 OTB (over the beach) Buffer Tube/Receiver Extension Each mil-spec buffer tube has built-in drainage holes in the rear of the tube and also on the bottom to maximize efficiency...

New Latest Print Production HK German 416 & MR556 Operators Manual Each manual is 62 pages and is the go to resource to maintain, clean, and become well versed with the HK 416 and MR556 series of...

HK MR556 & 416 Upper Receiver Threaded Piston Guide Compatible With: HK MR556 HK 416 HK M27

Heckler and Koch Complete Piston Rod Assembly for your HK416, HK MR556, HK417, HK MR762 A great replacement or spare to keep on hand. Compatible With: HK 416, HK MR556 HK 417, HK MR762 Please Note:...

H&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...

H&K HK MR556/416 10.5" Rear Diopter Sight Assembly This is the proper rear sight for use on all HK 416 10.5 uppers and firearms. This is also a great sight alternative for those who need a lower...

HK 416, MR556 End Plate For Receiver & Buffer Tube New HK German manufacture. Compatible With: HK MR556 & HK 416 upper receiver/buffer tubes