PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-Lok Upper w/Romeo 5 & MBUS Sight Set - No BCG or CH

Barrel: 11.5" 4150V Chrome-moly vanadium steel barrel, nitride treated for accuracy and durability, and chambered in 5.56 NATO with a 1 in 7" twist. This carbine-length gas barrel is finished off with a PSA 10.5" Lightweight M-Lok Rail, a low profile gas block, and an A2 style flash hider.   Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability.  These uppers are made for us right here in the USA by a mil-spec manufacturer. Includes: Magpul MBUS Sight Set & Sig Sauer Romeo 5 Red Dot Sight Sig Sauer Romeo 5 Red Dot Sight: ROMEO5 compact red dot sights provide civilians and armed professionals a robust 1x aiming solution for any situation. Ultra-low parallax so point-of-aim is point-of-impact and the red dot remains parallel to the bore of your firearm, no matter what your viewing angle is relative to the optical axis of the sight. Unlimited eye-relief allows you to acquire the aiming point and the target regardless of the position of your eye behind the sight. The readily available CR2032 battery is side-loading, allowing for quick battery replacement (featuring 50,000+ hours or more of life). Dependable waterproof (IPX-7 rated for complete water immersion up to 1 atmosphere) and fog-proof performance.FEATURES: -2 MOA Red-Dot provides 10 illumination settings (8 daylight plus 2 NV) for visibility in all light conditions -MOTAC™ (Motion Activated Illumination) powers up when it senses motion and powers down when it does not. Provides for optimum operational safety and enhanced 50,000+ hour battery life -Integrated M1913 Picatinny interface provides industry-standard mounting options for a wide range of applications -Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance -Includes a M1913 Picatinny low mount riser and a co-witness 1.41” riser mount