Circle Square Firearms sells firearms, ammunition, and related products. You must be at least 18 years of age to enter.
Some products and transactions may require additional verification and a higher minimum age (21 for handguns under federal law).
One Horse
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Prices and availability subject to change without notice. Product availability subject to applicable federal, state, and local laws.
Finish your AR15 lower with this dependable 6-position buffer tube kit. The 7075-T6 aluminum tube is CNC-machined and hardcoat anodized for strength and long-term durability. It includes the carbine buffer Mil-Spec recoil spring end plate and castle nut—everything you need for a solid adjustable setup.
