How many other AR rifle designs permit one to use their discarded barrels as practice barrels on the fly....i.e. switch from duty to practice barrel under a minute
The MRP design will allow you to use that diminished barrel a great deal in the future for practice or fun shooting if you so desire given the speed, and ease at which you can go from one barrel to another. Sounds like it still has some use left in it.
5k seems low to me, but as noted by another member above...I always yield to Sinister's word around here, especially on subjects such as this one.
Bookmarks