The RE-10/A5SR Receiver Extension is a 6-position receiver extension designed to work with the VLTOR A5 buffer system.

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.

Features:

• 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

Specifications:

• 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