JUST RIGHT CARBINES M4 RIFLE - 45 ACP - 13 CAP - BLACK•Straight blowback operation •Ambidextrous bolt can be configured to right or left ejection •Lightweight 16.25" barrel •Right hand 1/2x28 threaded barrel end •Free floating quadrail forend •Picatinny rail machined into top of receiver •Telescoping 6-position collapsible M-4 style buttstock •Standard M-4 buffer tube & pistol grip •Receiver trigger housing & magazine well machined from 6061T-6 aluminum w/black hard coat anodized finish •Uses standard Glock magazines
