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Patriot Ordnance Factory 415 223 16" Rail NP3

Features:

- Barrel: 16.5" (11" M.R.R.)
- Action: semi-auto, regulated gas piston system
- Chamber: 5.56x45 mm NATO (.223 Rem)
- Magazine: 30-round Magpul PMAG included
- Weight: 7.7 lbs. (empty)
- Length: 34" - 37.25" (ext)
- Twist: 1:8" 1/2-28 barrel threads
Specifications:

Barrel:
- 7.25", 10.5", 14.5", 16.5", and 18" heavy contour hand-lapped button twisted rifled, fluted to reduce weight and heat.
- 4150 Mil-B-11595 chrome-moly-vanadium alloy (machine gun rated).
- 70 Rockwell case hardened (Nitride) heat-treated "5R" polygonal barrels are 2x harder than MIL-SPEC and hammer-forged barrels.
- Corrosion resistant, 10x thicker, and 10x harder than MIL-SPEC chrome lining.
- POF-USA .75" (7.25" brl) and 1.5" muzzle devices.
- 5.56x45 mm NATO (.223 Remington) chamber.

Method of Operation
- Gas Piston operated, rotating bolt (short stroke system).
- 3-position gas system for normal, suppressed, and bolt-action operating modes.
- C.R.O.S.™ (Corrosion Resistant Operating System) Nitride heat treated barrel, single-piece gas block, Nitride heat-treated gas plug, chromed gas piston, and NP3™ coated bolt carrier assembly (one-piece) all billet machined.

Bolt & Carrier
- Nickel plated 8620, integral keyed, steel bolt carrier (billet machined), heat treated/plated per MIL-SPEC.
- Roller cam pin, NP3™ coated.
- Chrome plated bolt, heat-treated to MIL-SPEC.

Upper Receiver
- POF-USA Modular Railed Receiver™ (M.R.R.™), free-floating handguard, monolithic top rail system, billet machined 7075-T6 aircraft aluminum alloy.
- 2-piece A3 flattop upper receiver.
- Oversized heat-sink barrel nut.
- Black Anodized charging handle.

Lower Receiver
- P415, GEN III billet machined 7075-T6 aircraft aluminum alloy with integrated oversized trigger guard.
- Ambidextrous bolt release lever machined into the lower receiver.
- Drop-in, single-stage, 4.5 lb. non-adjustable trigger system.
- Magpul™ MOE™ pistol grip.
- KNS™ Precision anti-walk pins.
- Ambidextrous selector switch.
- Magpul™ CTR™ 6-position retractable buttstock.
- Anti-tilt buffer tube with four drain holes for marine use.
- Black Anodized, NP3™, or Olive Drab Cerakote™ finishes.

Handguard
- POF-USA free-floating M.R.R.™ aluminum handguard.
- Interchangeable top, bottom, and side handguard rail sections.

Magazine
- 30-round Magpul™ PMAG™ polymer magazine included.

Accessories (sold separately)
- POF-USA FTA-2005 snag-free front sight.
- Diamondhead® "Micro-D" flip-up front and rear Combat Sights™.
- Quick-disconnect sling mount for interchangeable M.R.R.™ rails.
- Additional 5-slot, 12-slot, and 17-slot handguard rail sections.

Weights
- 7.5 - 7.9 lbs. (empty)

Manufacturing
- All raw materials, heat-treats, platings/coatings, accessories, and component parts on Patriot Ordnance's weapon systems are made 100% through U.S. owned and operated steel mills and manufacturers.