07-04-2018, 12:50 AM
I wonder if you got a buffer tube intended to be used on an AR-10 large frame. A Friend tried to install a commerical AR-15 buffer tube on a RRA LAR8 large frame and would not function. I read where certain large frame ARs used longer AR-10 specific buffer tubes. Wouldnt be the first time a product was sold with the wrong identification/packaging.

