THIS A 2 BUTTSTOCK BALANCE WEIGHT, FOR A PERFECT, RATTLE-FREE FIT IN THE STANDARD A2 BUTTSTOCK COMPARTMENT.. THIS 3.5 LB (APP.WEIGHT) LEAD WEIGHT CAN BE TRIMMED FROM THE TAPERED END TO PERFECTLY BALANCE THE RIFLE, ITS WEDGE SHAPE AND RUBBER PAD ENSURE A TIGHT FIT IN THE A2 BUTTSTOCKS STORAGE COMPARTMENT. THIS PRE-FORMED INGOT HELPS BALANCE OUT MUZZEL HEAVY, "HEAVY BARREL'S" INCREASES ACCURACY, LESS FELT RECOIL,IS DENSER THAN LEAD SHOT, AND DOES NOT MOVE AROUND,YOU CAN ALSO DRILL TO ACHIEVE REQUIRED BALANCE.. please note: can ship up to 4 for the $10.25 shipping charge so buy some for your friends......