Description
The PSA 10.5″ 5.56 NATO 1/7 Nitride 9″ Lightweight Hex M-Lok Upper with BCG & CH is a high-quality, ready-to-install AR-15 upper assembly from Palmetto State Armory, built to mil-spec standards for reliability and performance. This compact upper features a 10.5-inch chrome moly vanadium barrel with a nitride finish for superior corrosion resistance and longevity, chambered in 5.56 NATO with a fast 1:7 twist rate that stabilizes a wide range of bullet weightsfrom light varmint loads to heavier 77-grain projectiles.
The barrel uses a carbine-length gas system paired with a low-profile gas block and includes an A2-style flash hider on 1/2×28 threads (not pinned and welded), making it ideal for AR pistol builds, short-barreled rifles (SBRscheck local NFA regulations), or compact rifle configurations. The forged 7075-T6 aluminum upper receiver is hard-coat anodized black for maximum durability, while the premium 9-inch lightweight Hex free-float M-Lok handguard delivers exceptional versatility: a full-length Picatinny top rail for optics and multiple angled M-Lok slots for accessories like lights, grips, lasers, or bipodswithout added bulk or weight.
This complete upper comes fully assembled with a mil-spec Bolt Carrier Group (full-auto profile, Carpenter 158 shot-peened bolt, 8620 steel carrier, properly staked gas key with Grade 8 fasteners) and a standard charging handle, so you can drop it onto your lower and go. Made in the USA, it’s backed by PSA’s full lifetime warranty.
Perfect for home defense, tactical training, range use, or custom builds where maneuverability and modularity matter. Experience outstanding value, proven reliability, and easy customization with this lightweight, feature-packed PSA upper.
By purchasing PSA 10.5″ Upper 5.56NATO Nitride w/Lightweight Hex M-LOK 9″ & BCG/CH 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.


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