55CA101 View cart “CMMG MOD4SA Semi-Auto AR-15 Forged M4 Stripped Lower Receiver 5.56x45mm /.223 Caliber 30 Round” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKCMMG MOD4SA Semi-Auto AR-15 Forged M4 Stripped Lower Receiver 5.56x45mm /.223 Caliber 30 Round $106.49 $95.84 Add to cart