The VLTOR A5 Receiver Extension is 7-positions and designed to work with the VLTOR A5 buffer system. This receiver extension is slightly longer than the traditional M4 receiver extension and is designed to work with Mil-Spec dimensioned M4/AR-15 type collapsible stocks. The A5 can also can be utilized as a replacement receiver extension for the AR-10 rifle when used in conjunction with a standard AR-15 Carbine length Buffer and Sprinco Red Spring. Seven position receiver extension made from impact extruded 7075 T6 aluminum Hard coat anodized Positions are numbered and are visible through the witness hole on most stocks Snag-free sliding of the buttstock Receiver extension is designed to use the VLTOR A5 spring and buffer kit only which is sold separately. Receiver extension is Mil-Spec dimensioned and will only accept M4 type Mil-Spec buttstocks Space between the seven positions of the receiver extension: 0.650” Weighs 4.3 oz
