Shop
Firearms
Accessories
Ammunition
Contact
Brands
About Us
About

Loading…

Circle Square Firearms

FFL# 8-23-017-01-8D-14962

Shop

Contact
Handguns
Rifles
Optics
Ammunition
About
Privacy Policy
Shipping Policy
Returns & Refunds
Terms of Use

Information

Firearms ship to your FFL
Background check required
(866) 303-7222
[email protected]

Legal

Terms of Use
Privacy Policy
Shipping Policy
Returns & Cancellations
Payment Processing

Product availability subject to all applicable federal, state, and local laws. Prices and availability subject to change. All firearms require FFL transfer and background check.Circle Square Firearms is the seller and merchant of record for all transactions.

© 2026 Circle Square Firearms

Powered by ArmoryFlow

Are you 18 or older?

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).

Home/Brands/Proof Research

P

Proof Research

3 products available at Circle Square Firearms

All Handguns Rifles Shotguns Optics Ammo Accessories

PREFIT BARREL T3X 22CR 20"

Proof Research

PREFIT BARREL T3X 22CR 20"

$999.00$1,149.00

Compare

PREFIT BARREL T3X 22CR 18"

Proof Research

PREFIT BARREL T3X 22CR 18"

$999.00$1,149.00

Compare

PREFIT BARREL CROSS 25CR 22"

Proof Research

PREFIT BARREL CROSS 25CR 22"

$1,149.00$1,299.00

Compare