Quote Originally Posted by browningautorifleicon View Post
Like Carl eludes to the gas cylinder lock screw wouldn't take the spigot type fit of the M5. You needed the new type gas cylinder lock screw relief valve, as per grenade launching. Remember, when the M5 came in all rifles had long since been converted to those.
That sucks! I gave away a perfectly good M5, and it looked new and unused. Why couldn't you guys told me this back in the 70s.

Thanks for the replies.

BEAR