Quick view FMK Fmk Ar15 Polymer Lower Receiver Blue $39.95 Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the... Compare Add to Cart
Quick view FMK Fmk Ar15 Polymer Lower Receiver Fde $34.21 Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the... Compare Add to Cart
Quick view FMK Fmk Ar15 Polymer Lower Receiver Bb $34.21 Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the... Compare Add to Cart
