- Description Features:-Combine this kit with your choice of lower parts kitto complete your lower group Includes:-CMMG 6-position receiver extension-Carbine buffer assembly-Carbine action spring-6-position butt stock assembly PRODUCT SPECIFICATIONS: Dimension 1.75 X 7.30 X 13.45 Height 1.7500 Width 7.3000 Length 13.4500 TYPE/COLOR RECEIVER EXTENSION/STOCK SIZE/FINISH BLACK MATTE MATERIAL POLYMER/ALUMINUM AR-15 ACCESSORY Y OTHER FEATURES: COLLAPSIBLE STOCK, RECEIVER EXTENSION, MIL-SPEC BUFFER TUBE SIZE NO DIRECT SHIP TO CALIFORNIA



