PSA AR-15 Nitride Carbine 5.56NATO MOE Upper Assembly 16″ w/BCG/CH & Rear MBUS

The PSA 16″ Nitride 1:7 M4 Carbine 5.56 MOE AR-15 Upper Assembly with BCG, Charging Handle & Rear MBUS is a reliable, American-made complete upper ready to pair with your lower for a dependable AR-15 build. This budget-friendly yet high-quality upper delivers excellent performance for range use, home defense, training, or general plinking.

Key features include a 16-inch nitride-finished 4150V Chrome Moly Vanadium steel barrel with M4 profile, carbine-length gas system, 1:7 twist rate (ideal for stabilizing 55-77 grain 5.56 NATO / .223 Remington ammunition), and A2 flash hider on 1/2-28 threads. The forged 7075-T6 aluminum upper receiver is hard coat anodized for superior durability and built to mil-spec standards right here in the USA.It comes fully assembled with:

Full-auto profile bolt carrier group (9310 steel bolt, 8620 steel M16-profile carrier, phosphate coated, properly staked gas key with Grade 8 screws)Standard charging handleMagpul MBUS rear flip-up backup iron sight (adjustable windage, low-profile polymer construction for lightweight reliability)

The classic Magpul MOE carbine-length handguard provides a comfortable grip and solid mounting options, while the F-marked front sight base ensures proper sight alignment when paired with standard AR front sights.Whether you’re building a first AR, upgrading an existing rifle, or seeking a proven nitride-treated upper with included BCG, CH, and rear sight, this PSA assembly offers outstanding value, reliability, and Made-in-USA quality.

Specifications:

• Caliber: 5.56 NATO (also safe for .223 Remington)
• Barrel Length: 16″
• Barrel Material: 4150V Chrome Moly Vanadium Steel
• Barrel Finish: Nitride
• Barrel Profile: M4
• Twist Rate: 1:7
• Gas System: Carbine-length
• Gas Block: F-marked .750″ Front Sight Base
• Muzzle Device: A2 Flash Hider
• Muzzle Thread: 1/2-28
• Handguard: Magpul MOE Carbine-length, Black
• Upper Receiver: Forged 7075-T6 A3, Hard Coat Anodized, M4 Flat Top
• Bolt Carrier Group: Included (Full Auto Profile)
• Charging Handle: Included
• Rear Sight: Magpul MBUS Flip-Up (Black)
• Overall Length: Approximately 24.5″

Note: This is an upper receiver assembly only (no lower included). Always check local laws regarding firearm purchases and modifications. Proudly made in the USA by Palmetto State Armory.

By purchasing PSA AR-15 Nitride Carbine 5.56NATO MOE Upper Assembly 16″ w/BCG/CH & Rear MBUS from our online store, you are guaranteed to receive a high-quality item. We work with trusted brands to offer shooting and hunting enthusiasts, both amateur and professional, quality products at a reasonable price. Choosing to buy from us means opting for quality and practicality

The actual appearance of the product may differ from the image on the website. For additional information about payment, delivery, and product specifications, please contact us by phone or email.