Seller Description
Barrel:
16" Heavy contour, Fluted to reduce weight and Heat
4150 Mil-B-1159F Vanadium Alloy (machinegun rated)
70 Rockwell case hardened heat treated "5R" polygonal barrels are 2X harder then Mil-Spec & Hammer Forged barrels
Corrosion resistant and 10 times thicker and hardness than mil-spec chromed lining
Right-handed 16" 1:8 twist, button rifled (Rock Creek Barrel Blank)
FMC-A3 Muzzle Device
*Fired 100 rounds through it - New Condition
*I think this is the best AR upper availabe
Method of Operation:
Gas Piston operated, rotating bolt (short stroke system)
Reversible piston / gas trap design (two modes of fire)
C.R.O.S. (Corrosion Resistant Operating System):
(Chrome plated: Barrel, Gas Block/Tube, Gas Plug, Gas Piston, Bolt Carrier Assembly, Silicone Nickel plate upper receiver and Charging Handle: interior only.)
Bolt & Carrier:
Chrome plated 8620 Integral Keyed Steel Bolt Carrier (billet machined), heat treated / plated per Mil Spec.
Chrome plated steel bolt, heat treated, to Mil-spec
Options:
-Fixed Removable FTA-2005 Hooded, Snag Free Front site
-BC-5 Muzzle Device
Weight:
Empty – 5.0 LBS
Length:
Extended - 36”
Collapsed - 31.75” Upper Receiver:
A3 Flattop, Forged 7075-T6 aircraft aluminum alloy
A3 Flattop: Silicone Nickel Plated (Interior only)
Charging handle: Silicone Nickel (Interior only) & Black Hard coat Anodized per Mil Spec and Teflon coated black
Handguards:
Ergo ladder rail covers
Sling/Bi-pod mount
Predator Tactical Rail system™, P-9SX (Slim, Extended), or Predator P-9X. Rigid one piece design.
Heat Sink Barrel Nut
POF-USA Specifications:
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