SR-556E - FIXED BLACK SYNTHETIC STOCK
•Two-stage piston w/adjustable regulator provides cleaner cooler running reliable firearm w/superior operating endurance •Two-stage piston provides smooth power delivery stroke to bolt carrier •Four-position gas regulator is adjustable •Gas system may be closed completely for manual operation during training or when using suppressor •Smooth trim lightweight ergonomic handguard •Flattop receiver w/Picatinny rail at 12:00 position extends full length of handguard •Buttstock is mounted on a MIL-SPEC diameter tube •Cold hammer forged 41V45 barrel •A2-style pistol grip w/finger groove •Includes: soft sided case & one magazine •OAL: 32.75’’-36’’ •Wt.: 7.36 lbs.
Cal. Cap. Brl.
5.56mm NATO 10 16.12"
