PSA 20" Rifle Length 5.56 NATO 1/7 CHF SS 15" Keymod Lightweight Upper - No BCG or CH - 7790301

Barrel: 20" cold hammer forged, matte finish, 410 stainless steel, 5.56 NATO chamber with a 1:7 twist, tapered bore, and a passivated exterior finish to reduce glare and increase corrosion resistance.  Features a rifle-length gas system, standard  M4 feedramps, and is high pressure tested and mag particle inspected. The upper is finished off with a PSA 15" lightweight keymod free-float rail, .750" diameter low profile gas block, and A2 flash hider. Barrel is made for us by FN Manufacturing here in Columbia SC.Upper: Forged 7075-T6 A3 AR upper is machined to MIL-SPECS and hard coat anodized. These uppers are made for us right here in the USA by a mil-spec manufacturer.Please allow up to 15 business days for your upper to be built and to ship from our facility. Holiday and special sale lead times can be longer* If your order goes beyond the listed lead time please get in contact with us via email and we will look into your issue.Signature required on delivery.