HK MR556 “Battle Worn” Finish 5.56 Platform — M-LOK Rail, HK Soft Case, Bipod + Vertical Grip

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Description

The HK MR556 is the “HK piston feel” in a civilian-ready package—built around HK’s short-stroke piston system and known for running clean and consistent. This one is finished in a battle-worn / distressed two-tone look that gives it a rugged, high-contrast vibe without needing to baby it.

MR556 $4299

Bipod $114

Grip $30

Customer Finish $300

Total Value $4,743

It’s set up with a long M-LOK handguard, vertical grip, and a rail-mounted bipod for a ready-to-shoot bench/training setup. Photos also show an HK-branded soft case and one Magpul-style magazine, plus an extra muzzle device pictured off to the side.

Specs Table

Specification	Detail
Manufacturer	Heckler & Koch (HK)
Model	MR556 (variant appears MR556A1-style)
Caliber	5.56 NATO / .223
Operating System	Short-stroke piston (MR556 platform)
Finish / Color	Custom “battle worn” / distressed silver-black appearance
Handguard	M-LOK style, extended length
Stock	HK-marked adjustable stock
Bipod	Rail-mounted bipod
Vertical Grip	Installed (black)
Magazine Included	1 Magpul PMAG-style magazine
Case	HK-branded soft case (pictured)
Other Included	Extra muzzle device shown loose (pictured)