Harrell Rimfire/Air Rifle Tuners

Black and silver aluminum construction  Weighs 8 ounces Will fit any barrel from .750 up to 1.016 in diameter Must be bored to slip over barrel With calibers measure 1 inch back from end of barrel and specify diameter in special instruction box. ****IF YOU HAVE A BARREL OVER .750 DIAMETER THAT IS NOT THREADED DON'T FORGET TO MEASURE BARREL ONE INCH BACK AND GO TO "VIEW MY CART" AND PUT IN SPECIAL INSTRUCTIONS.  **** ****IF YOU HAVE A BARREL THAT IS THREADED 1/2 X 28 YOU NEED OUR RIMFIRE AIR RIFLE TUNER PLUG THAT SCREWS ON YOUR BARREL.  WE DO NOT NEED THE BARREL DIAMETER 1 INCH BACK BECAUSE IT WILL SLIP OVER THE TUNER PLUG.**** Price will be $180.00 and no charge for boring.