Thread: 7mm rem mag convert to smaller cal? advice please...

years back a mates kid inherited a 12 gauge that kicked like a mule, as he was a skinny wee bugger and couldnt handle the recoil we bought a foot of plastic hose, 1/2 filled it with mercury and taped it onto the for end. as the gun recoiled the mercury sloshed forwards and took up a significant amount of recoil. worked a treat until he was big enough to handle it without the addition