5.56X45 16" 32RD M-LOK
FEATURES-Mil-Spec lower receiver w/ flared magazine well & rear receiver QD swivel attachment point-Mil-Spec upper receiver with indexing marks & M4 feed ramps-Mid-length, direct impingementgas system-16" chrome lined, government profile barrel-1:7" twist-Flash suppressor-H buffer-12"modular float rail-6-position Mil-Spec receiver extension-Glass filled polymer pistol grip stock with soft touch overmolding-32-round Magpul PMAG