Daniel Defense RIII 11.5" Upper Receiver Group (RIS III 10.5 M-LOK)
Daniel Defense AR-15 upper receiver group built around an 11.5" cold hammer forged, government-profile 5.56 NATO barrel with a 1:7 twist. The front end uses the RIS III 10.5 rail system with M-LOK slots and a continuous top Picatinny rail, paired with a carbine-length gas system and low-profile gas block.
This upper includes a bolt carrier group and charging handle.




