PSA Gen3 PA-10 Mid Length .308Win SS Barrel 18″ Lightweight 15″ M-LOK Upper w/Nickel Boron BCG/CH

The PSA Gen3 PA10 18″ Mid-Length .308 WIN 1:10 Stainless Steel 15″ Lightweight M-Lok Upper with Nickel Boron BCG & CH is a high-performance, ready-to-install complete upper receiver built on Palmetto State Armory’s improved Gen3 PA10 platform. This AR-10 style upper delivers reliable .308 Winchester performance, exceptional durability, and modern features at an unbeatable value—perfect for building a long-range precision rifle, hunting setup, or tactical .308 build.

Crafted with a 416R stainless steel 18″ barrel (A2 profile, mid-length gas system, 1:10 twist rate), this upper stabilizes a wide range of .308/7.62×51 ammo for consistent accuracy out to extended ranges. The low-profile 3-position click-switch adjustable gas block (with dimpled barrel for easy adjustments) lets you fine-tune for specific loads, suppressors, or shooting conditions—reducing recoil and improving reliability. A black nitride gas tube adds superior heat and corrosion resistance.

The precision-machined forged 7075-T6 aluminum upper receiver features a hardcoat anodized finish (MIL-8625 Type 3 Class 2) for rugged durability. It pairs with a 15″ lightweight M-Lok free-float handguard boasting enhanced dual-retention anti-slip and anti-rotation design—providing a rock-solid platform for accessories while keeping weight down and improving heat dissipation.Included is a premium Toolcraft PA10 BCG (Nickel Boron coated for ultra-smooth operation, reduced friction, and easy cleaning) with a 9310 steel bolt assembly, extra-power extractor springs, nitride treatment, and staked gas key using Grade 8 fasteners. A 7075-T6 charging handle completes the package.

Key specs at a glance:

• Caliber: .308 Winchester (fully compatible with 7.62×51 NATO)
• Barrel: 18″ 416R stainless steel, 1:10 twist, mid-length gas, .750 gas block journal, 5/8-24 muzzle threads with A2-style flash hider
• Handguard: 15″ Lightweight M-Lok free-float with anti-slip/anti-rotation features
• Gas System: Mid-length with 3-position adjustable click-switch gas block and black nitride gas tube
• BCG: Toolcraft Nickel Boron coated PA10 with extras for enhanced reliability
• Receiver: Forged 7075-T6 aluminum, hardcoat anodized
• Muzzle Device: A2 flash hider

Important compatibility note: Gen3 PA10 uppers are functionally compatible with Gen1/Gen2 lowers but match Gen3 components for optimal fit, appearance, and performance. Stick to PSA PA10 parts for best results on this DPMS Gen1-pattern platform.Upgrade your AR-10 build with this feature-packed, value-driven PSA Gen3 upper—reliable, tunable, and ready for action straight out of the box.

By purchasing PSA Gen3 PA-10 Mid Length .308Win SS Barrel 18″ Lightweight 15″ M-LOK Upper w/Nickel Boron 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

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