IMR 4350 SMOKELESS GUN POWDER ONLINE | IMR 4350 IN STOCK IMR 4350 SMOKELESS GUN POWDER ONLINE is a slow burn and recommend using it in a .300 win mag with both 150gr and 180gr SST and ELD respectively. Loaded it with 65-7Agr and for me the performance was subpar. IMR 4350 Smokeless Gun Powder […]
