This complete AR-10 style rifle ships with an Aero Precision M5 Lower, RM15 ATLAS R-ONE 15″ M-LOK Handguard, Magpul SL-S Stock, and 10 round magazine.
Aero Precision APCR650044 M5308 Win 10+1 16″ Mid-Length, Black, 15″ R-ONE M-LOK Handguard, Magpul Grip/SL-S Stock, Ambi Charging Handle/Safety