Yup, I agree. A clamp on Muzzle brake.
They work reasonably well as long as they remain on the muzzle.
They have a tendency to chase after a round down the field when they loosen off and need to be tightened regularly.
TURF THE LIBERALS IN 2019
Liberals really like POOR people, they're making more of them every day
If you can't vote CPC, stay at home in protest