Genesis Arms

18" GEN-12 UPPER

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WHEN FITTING A GEN-12 UPPER RECEIVER GROUP TO A LOWER, WE CAN ONLY GUARNTEE PROPER FITMENT AND FUNCTION WITH OUR LOWER RECEIVER. OTHER  DPMS STYLE LOWER RECEIVERS WILL MATE TO THE GEN-12 UPPER, BUT MAGAZINE FITMENT AND PROPER FUNCTION CANNOT...

Genesis Arms

SBM 10.5" GEN-12 UPPER

(0)

WHEN FITTING A GEN-12 UPPER RECEIVER GROUP TO A LOWER, WE CAN ONLY GUARNTEE PROPER FITMENT AND FUNCTION WITH OUR LOWER RECEIVER. OTHER DPMS STYLE LOWER RECEIVERS WILL MATE TO THE GEN-12 UPPER, BUT MAGAZINE FITMENT AND PROPER FUNCTION CANNOT BE GUARANTEED...