Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS S-ONE - 14.5" - APAR700304M5 Review

About Aero Precision M4E1 Threaded Barreled Upper Receiver 5.56 Mid-Length - ATLAS S-ONE - 14.5" - APAR700304M5

This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with 14.5” 5.56 barrel and the ATLAS S-ONE M-LOK handguard. This barreled upper receiver group does not include BCG or charging handle allowing you to choose your favorites for your build. The upper receiver is, however, fully assembled with forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum with a billet machined look that matches the lower and handguard. The ATLAS S-ONE free float handguard is 12” and features a 1.3” inner diameter that surrounds the low profile gas block and mid-length gas tube. Features: M4E1 threaded upper receiver Forged 7075-T6 aluminum Assembled forward assist and dust cover 12” ATLAS S-ONE M-LOK handguard Hardcoat anodized 14.5” 5.56 NATO barrel Machined from Chrome Moly Vanadium Mid-length gas system 1:7 twist rate Threaded 1/2×28 A2 flash hider Salt Bath Nitride finished Does not include BCG or charging handle The 14.5” barrel is machined from Chrome Moly Vanadium steel with a salt bath Nitride finish and a 1:7 twist rate for stabilizing heavier rounds. It is threaded 1/2×28 with an A2 style flash hider that has not been pinned and welded meaning this must be attached to a pistol lower receiver. High pressure tested and magnetic particle inspected ensure this barrel is accurate and reliable. This Aero Precision AR-15 barreled upper is a great choice for finishing an AR build. Aero Precision takes some of the most state-of-the-art manufacturing techniques and equipment derived from their work in the aerospace industry and applies it to their products in the firearms industry. They have utilized their knowledge from years of building aircraft components to design and engineer AR-15 handguards, receiver sets, scope mounts, and more. They treat every product as if it were a precision flying machine and adhere to strict quality standards to ensure law enforcement, military, and civilian customers receive a product they can rely on.

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