Vltor A5 Receiver Extension Black. This receiver extension is designed to work with Mil-Spec dimensioned M4/AR-15 type collapsible stocks. It also can be utilized as a replacement receiver extension for the AR-10 rifle. Six 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 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 Weighs 4.2 oz Specifications for Vltor RE-10/A5SR-A5 Receiver Extension: Manufacturer: VLTOR Condition: New Package Contents: Vltor RE-10/A5SR-A5 Receiver Extension Vltor RE-10/A5SR: RE-10/A5SR-A5 Receiver Extension Black
Strike Industries Pit Stock Use w/SI 7-Position Advanced Receiver Extension Blue One Size Original price was: $79.95.$59.99Current price is: $59.99. 
Tacfire .223 Rem/5.56 Stripped Upper Receiver for Billet AR-15 Style Rifle, Hardcoat Anodized Black - UP01 Original price was: $71.99.$64.99Current price is: $64.99. 
Vltor A5 Receiver Extension Black
Original price was: $62.95.$56.66Current price is: $56.66.