PSA AR-15 B5 Systems Lower Build Kit w/SOPMOD Enhanced Stock

Upgrade your AR-15 build with the PSA B5 Systems Lower Build Kit with SOPMOD Enhanced Stock  – the ultimate all-in-one solution for completing your stripped lower receiver. This premium kit combines battle-proven B5 Systems furniture with reliable Palmetto State Armory components, delivering exceptional ergonomics, durability, and performance at an unbeatable value.

At the heart of this kit is the renowned B5 Systems Enhanced SOPMOD Stock – originally developed to meet the rigorous demands of Special Operations Forces. It features an ergonomic cheek weld for superior comfort and consistent sight alignment, dual water-resistant storage compartments for batteries or tools, ambidextrous anti-rotational quick-detach (QD) sling swivel mounts, color-matched steel hardware, a non-slip cushioned buttpad, and a sure-grip stock latch. Made from Mil-Spec materials and finishes, this stock offers rock-solid reliability and fits standard Mil-Spec carbine receiver extensions (weight approx. 11.8–12.2 oz, length 7.43 in).

Paired with the ergonomic B5 Systems Type 23 P-Grip, which provides improved control and comfort during extended shooting sessions.

The kit includes a full Mil-Spec buffer tube assembly (carbine-length) with:

• Carbine buffer tube
• Buffer
• Buffer spring
• Castle nut
• Latch plate
• Buffer retainer and spring

Plus, a complete PSA Classic Lower Parts Kit featuring all essential Mil-Spec components:

• Fire control group (hammer, trigger, disconnector, springs, pins)
• Bolt catch assembly
• Magazine catch assembly
• Safety selector assembly
• Takedown and pivot pin assembly
• And more for a smooth, reliable trigger pull and function.

Perfect for building a custom AR-15 rifle or pistol, this American-made kit ensures compatibility with standard AR-15 platforms (multi-caliber capable). Whether you’re assembling your first build or upgrading for tactical use, home defense, or range fun, this PSA lower build kit delivers premium B5 Systems quality without the premium price.

Key Features & Benefits:

• Premium B5 Systems Enhanced SOPMOD Stock & Type 23 P-Grip for superior ergonomics and storage
• Full Mil-Spec buffer tube kit and PSA lower parts for reliable assembly
• Ambidextrous QD mounts and water-resistant compartments
• Made in the USA with Mil-Spec durability
• Ideal for AR-15 builders seeking enhanced comfort and functionality

Note: Ensure compliance with all local, state, and federal laws when assembling. This kit completes a lower receiver but does not include a stripped lower or upper components.

By purchasing PSA AR-15 B5 Systems Lower Build Kit w/SOPMOD Enhanced Stock 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.