Discover the best gun deal on the PSA 16" M4 Carbine-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper without BCG, now just $199.99! Score huge discounts on accessories and elevate your build with this top-tier, reliable upper. We've scoured the market to bring you unbeatable savings on premium firearm components. Y'all, check this out. PSA 16 M4 Carbine-length 5.56 Nato 1:7 Nitride 13.5 Lightweight M-lok Upper No Bcg for just $199.99. We've been sweatin' like a hog in heat to find this deal.