This is a Daniel Defense AR known as the DDM4V7 chambered in 223 Remington, model 02-128-15049-047.
The Daniel Defense M4 V7 SLW is one of the lightest" fastest-handling rifles available in the DDM4 line-up" tipping the scales at under 6 lbs. Built around a Cold Hammer Forged" 14.5" Lightweight profile barrel" the V7 SLW has an Extended Flash Suppressor which is pinned and welded to reach the NFA required 16" minimum barrel length. The mid-length gas system provides smooth and reliable cycling under any conditions and reduces both perceived recoil and wear on moving parts.
Features:
Mil-Spec
Enhanced Flared Magazine Well
Cold Hammer Forged Barrel
Daniel Defense Flash Suppressor
M16 Profile BCG