POF Model NP3 in 308 Upper Receiver. POF Upper Receivers are only compatable with POF Lower Receivers. Features:
o 14.5? and 20? heavy contour hand-lapped button twisted rifled, fluted to reduce weight and heat with M Rail system.
o 4150 Mil-B-11595 chrome-moly-vanadium alloy (machine gun rated).
o 70 Rockwell case hardened (Nitride) heat-treated "5R" polygonal barrels are 2x harder than MIL-SPEC and hammer-forged barrels.
o Corrosion resistant, 10x thicker, and 10x harder than MIL-SPEC chrome lining.
Method of Operation
o Gas Piston operated, rotating bolt (short stroke system).
o 3-position gas system for normal, suppressed, and bolt-action operating modes.
(Corrosion Resistant Operating System) Nitride heat treated barrel, single-piece gas block, Nitride heat-treated gas plug, chromed gas piston, and NP3TM
coated bolt carrier assembly (one-piece) all billet machined.
Bolt & Carrier
o Nickel plated 8620, integral keyed, steel bolt carrier (billet machined), heat treated/plated per MIL-SPEC.
o Roller cam pin, NP3TM
o Chrome plated bolt, heat-treated to MIL-SPEC.
o POF-USA Modular Railed ReceiverTM
), free-floating handguard, monolithic top rail system, billet machined 7075-T6 aircraft aluminum alloy.
o Oversized heat-sink barrel nut.
o Black Anodized charging handle.
o POF-USA free-floating M.R.R.TM
Conditions grades at 90%. Used. Inventory#: POFNP3-2.