H&K MR556 Semi-Automatic 223 Remington/5.56 NATO 30+1 Capaci

New in the Box from HK

HK® MR556A1

•Semi-auto, Proprietary Gas-Piston Operating System employs a piston & solid operating “pusher” rod (in place of the gas tube commonly found in AR15/M16/M4-style firearms) to virtually eliminate hot carbon fouling & waste gases from entering the receiver area causing malfunction   •Match rifle capability   •Features Picatinny top rail machined into the upper receiver & HK free-floating four quadrant rail system (FFRS) handguard w/(4) MIL-STD-1913 Picatinny rails   •Upper receiver/barrel assembly are fully interchangeable w/other high quality AR-style firearms   •Cold hammer-forged, heavy contour barrel is moderately “swagged” & constructed of the highest quality steel for superior accuracy & long life   •Unlined bore for optimum accuracy w/internal profile of 6 lands & grooves   •1:7" Twist   •Enhanced 2-stage trigger   •7.64 lb. trigger pull   •Extended latch charging handle   •Retractable buttstock can be locked in place by tightening an Allen screw in the bottom of the stock   •C.I.P dimensioned chamber allows for a wide variety of 5.56x45mm ammo & also functions reliably w/most quality .223 Rem. ammo   •OAL: 37.68" (extended), 33.9" (retracted)   •Wt.(without mag.): 8.6 lbs.   •Made in the USA  

Cal.                  Brl.      Cap.

5.56x45mm     16.5''      30


Catalog Ref: HKGMR556A1