View results: I used lower-powered loads in a 14.5" or 14.7" barrel with a MLGS and:

I have never had an issue with extraction or short-stroking.
Votes: 5 83.3%
I had an issue with extraction or short-stroking but fixed it by enlarging the gas port.
Votes: 0 0.0%
I had an issue with extraction or short-stroking but fixed it by using a lighter buffer.
Votes: 0 0.0%
I had an issue with extraction or short-stroking so I quit shooting lower-powered loads.
Votes: 0 0.0%
I had an issue with extraction or short-stroking so I got rid of the rifle.
Votes: 1 16.7%
I had a problem not listed here.
Votes: 0 0.0%