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).
Military Products
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Prices and availability subject to change without notice. Product availability subject to applicable federal, state, and local laws.
SPORT RIDGE AR15 Rear Sight attaches to any 1913 Picatinny rail designed for mounting behind or under most optics. The rear sight is windage finger adjustable and includes low light and standard aperture. AR15 Rear Sight locks in the upright position.
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