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).
Wilson Combat
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Or contact Circle Square Firearms directly at (866) 303-7222 or [email protected].
Prices and availability subject to change without notice. Product availability subject to applicable federal, state, and local laws.
Black polymer magazine catch stop & enhanced spring kit for the Sig P320 model handgun.
This kit includes a Sig Sauer factory magazine catch stop and a Wilson Combat enhanced magazine catch spring.
Black Polymer Magazine Catch
Drop-in fit for SIG 320 and Wilson Combat or other aftermarket frames
