RE-1 : AR15/M4 5-position Carbine/ Collapsible Receiver Extension
The RE-1 receiver extension allows you to mount a Mil-Spec stock on a civilian carbine or convert your A2 style fixed buttstock to a collapsible configuration. This receiver extension has five positions and corresponding white position numbers that are visible through the witness hole on most stocks.
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Following a manufacturers price increase, we reserve the right to change product prices at any time without further notice.
- Five 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 for carbine spring and buffer (spring and buffer sold separately)
- Receiver extension is Mil-Spec dimensioned and will only accept M4 type Mil-Spec buttstocks
- Weighs 3.8 oz
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