Daniel Defense DD4 R3 SLW 5.56mm NATO Black Semi-Automatic Tactical Rifle - 16in - One of the lightest, fastest-handling rifles available in the DD4 line-up. Features a cold hammer forged, Lightweight profile barrel; pinned & welded extended flash suppressor to reach the NFA required 16" minimum barrel length; fully ambidextrous lower that enables the shooter to operate rifle mechanisms without moving dominant hand from the grip; 13.50" DD4 flat-front rail with M-LOK and sling attachment points; pinned & welded Xeno Flash Hider compatible all HUB compatible suppressors, including the full SoundGuard product line; enhanced 3 piece trigger w/new coating technology for a crisp trigger pull.