PSA 16″ M4 5.56 NATO 1:7 Nitride MOE EPT Freedom Rifle With Rear MBUS – Black

The Palmetto State Armory (PSA) 16″ M4 Freedom Rifle is a precision-built AR-15 platform rifle designed for reliability, performance, and tactical versatility. Chambered in 5.56 NATO with a 1:7 twist rate, this rifle delivers consistent accuracy with a wide range of bullet weights. Featuring PSA’s Enhanced Polished Trigger (EPT) and premium MOE furniture, this Freedom Rifle is ideal for home defense, competition, or recreational shooting.

Key Specifications

• Barrel Length: 16″ M4 profile
• Barrel Material: 4150V Chrome Moly Vanadium steel, nitride-treated for durability
• Chamber: 5.56 NATO
• Twist Rate: 1 in 7” – optimized for stability with heavier projectiles
• Gas System: Carbine-length with F-marked front sight gas block
• Upper Receiver: Forged 7075 T6 aluminum, M4 flat top with feedramps, hardcoat anodized
• Lower Receiver: Forged 7075 T6 aluminum, hardcoat anodized
• Bolt: Carpenter 158 steel, magnetic-phosphate coated
• Bolt Carrier: 8620 steel, chrome-lined, staked gas key
• Fire Control: Single-stage Enhanced Polished Trigger (EPT)
• Stock: Magpul Carbine Stock, 6-position, 7075 T6 aluminum buffer tube
• Handguard: Magpul Polymer Carbine-Length, Black
• Overall Length: 33″
• Weight: 6.5 lbs.
• Magazine: 30-round Magpul PMAG
• Sights: Magpul MBUS Rear Sight, Black

Features & Performance

The PSA 16″ M4 Freedom Rifle is built with a nitride-treated 4150V CMV steel barrel for exceptional strength, corrosion resistance, and extended service life. The 1:7 twist rate stabilizes a wide range of bullet weights, from lightweight 55-grain rounds to heavier 77-grain match projectiles.

The rifle features a Carbine-length gas system with an F-marked front sight gas block, providing reliable cycling and reduced recoil. The forged 7075 T6 aluminum upper and lower receivers are anodized for durability, while the Carpenter 158 bolt and 8620 chrome-lined bolt carrier ensure long-lasting performance.

Enhanced Ergonomics

This Freedom Rifle comes equipped with a Magpul MOE Carbine Handguard and Magpul Carbine Stock for comfort, adaptability, and modern tactical styling. The EPT trigger enhances your shooting experience with a smooth, crisp pull ideal for precise follow-up shots. The included Magpul MBUS rear sight allows for co-witness with optics or use as a backup sight.

Specifications Table

Ordering & Compliance

Rifles must be shipped to a valid, current Federal Firearms Licensee (FFL). Buyers must comply with all state and local regulations regarding high-capacity magazines and rifle ownership. Ensure you have your FFL information ready before placing your order.

Conclusion

The PSA 16″ M4 Freedom Rifle is a dependable, accurate, and versatile AR-15 platform rifle, combining modern materials, premium components, and tactical features. Built for performance and reliability, it is perfect for shooters seeking a high-quality 5.56 NATO rifle ready for any situation.