Buffer Tube / Receiver Extension

$19.98 - $32.00
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First Generation Buffer Tube (Receiver Extension) for Colt sliding stock models: XM177, XM177E2 and Colt Commando Models up to the 1980's.

Original Colt variants were first 2 position - just like this one.

In the 80's it was replaced by the 4 position

Most current builds now use a 6 position


2 Position Mil-Spec size

4 position Commercial Size

6 Position Mil-Spec Size