Spikes Tactical 
forged receiver set 
300 black out 16 inch barrel with a2 break 
NWCP stainless side charging handle 
standard spikes LPK and FGC 
midwest industries mlok forend 
B5 stock and grip 
magpul 20 round 300 bo mag
we will soon be supplying uppers separately from full rifle builds in all the standard AR calibers