Home / Gun Parts / AR Lower Parts / AR Buffer System / CMMG Receiver Extension A1 CMMG Receiver Extension A1 $50.00 CMMG Receiver Extension A1 5 in stock CMMG Receiver Extension A1 quantity Add to cart SKU: CSSI|CA55CA9B7 Category: AR Buffer System Description Additional information Description Receiver Extension A1 Additional information UPC 815835017334 Manufacturer CMMG Manufacturer Part Number 55CA9B7 Shipping Weight 0.23 Style A1 Related products CMMG Buffer Assembly Carbine AR15 $28.00 Add to cart End Plate Steel Black $21.00 Add to cart CMC Triggers AR15 8-Position Extended Buffer Tube Assembly Kit – A5 Length (8P-A5) $106.00 Add to cart TacFire AR-15 6-Position Mil-Spec Buffer Tube Kit with Dual Loop End Plate $30.00 Add to cart