Maybe something like this in a more sophisticated barrel tester.
A Remington action modified front end to screw on an AR15 barrel to test before assembly into an upper.
In the past we issue barrels to our juniors just ramdomly. Then, I thought there lies the possibility that we could have possibly had issued some of the best barrels to the starting shooters and vice versa. This set up allows us to screw AR15 barrels without the extension into a bolt gun to test on the cradle.
The stock the action was bedded on was shortened to allow us to grab the barrels and spin them in and out with a side entry wrench. A 10 minute barrel swap.
In the process we did find the precision distribution among the barrels. Last batch we had a couple that printed way less than the half the 1 minute X ring at 600.
The barrels, as tested, are ready to have the barrel extension retorqued back on after testing. The gas port already drilled/reamed.
Did the program yield good field success? We believed so. One of our juniors, a young lady that got issued the top shooting barrel, a Distinguished Rifleman Badge holder, a Presidents Hundred Tab holder, and a High Master, consistently shoots 490s, 790s in matches with high x count.
Note: Not taking the credit for the riflewoman's success, to the contrary. The barrel is just one of the enablers for her to perform at her best.
I case you are wondering where is the recoil lug.. that machined front end adapter lip is the recoil lug.
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