Loaded with 200 to 220 grain bullets, the .300 Winchester magnum can be put to use on large, heavy bodied game. All shooting was done prone, from a bipod with a rear bag. I have a shelf full of … Gold Medal Sierra MatchKing 300 Win Magnum Important Safety Information WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm, and other serious physical injury. I also used the 220 gr. I had to use R-P cases and WLR primers because I had them on hand. The bullet shall have a lead or lead alloy core and copper or copper alloy jacket. Anyone saying otherwise is full of it! While they are recognized around the world for record-setting accuracy, MatchKing® and Tipped MatchKing® bullets are not recommended for most hunting applications. Powder is W-760, bullet the 220 gr. While working on loads for my 28" bull barrel Savage 111, I came across some military ammo called MK 248 Mod 1, which uses a Sierra 220 grain MatchKing bullet over H1000 powder. the 220 grain Sierra MatchKing® Hollow Point Boat Tail (HPBT) bullet, commercial part number 2240, manufactured by Sierra Bullets, (Drawing 53711-8330251). Hornady round nose but the Sierra was the more accurate. The bullet shall have a nominal weight of 220 grains, with a tolerance of ±0.5 grains. Atomic Ammunition 300 Winchester Magnum 220 Grain Sierra MatchKing Hollow Point Boat Tail Box of 20 Product Family #: 1018967231 ... the most renowned independent test laboratories in the United States to reconfirm their findings and the safety of each load. Not only could it … RIFLE RELOADING DATA FILES (PDF) 20 caliber (.204 dia) 204 Ruger 39. Sierra MatchKing .300 Win. 240 gr. Re: How does 220-grain .300 WIN MAG compare to 190-gra Chad offers a service to bring your rifle in to his shop and detail the load out for you, then send back the rifle and the data with the option of having loaded ammo in the shipment as well. Strong words but I'll pass on what data I used in a Winchester M70, 22" barrel and 1 in 12" twist. Loaded with 180 grain bullets, the .300 Winchester magnum excels on large body weights, specifically on game weighing between 90 and 320kg (200-700lb). In the end, though, the 220-gr. ALL 100 gr 110 gr 115 gr 123 gr 125 gr 130 gr 135 gr 140 gr 150 gr 155 gr 167 gr 168 gr 175 gr 180 gr 185 gr 200 gr 208 gr 210 gr 220 gr 230 gr .300 Winchester Magnum (220 & 240 GR Sierra Data - Edition V) Warning! Sierra. Again, the choice of bullet construction enables increased versatility. 300 aac blackout rifle reloading data 9 indicates maximum load - use caution loads less than minimum charges shown are not recommended. load won the day. 300 aac blackout rifle reloading data 10 #2251 .308” 230 gr. hpbt 8” twist Your 220 gr. Sierras will shoot just fine, even in a 1 in 12" twist. First, there was considerable cost savings. Brass Used - Winchester (Full Match Prep) Primer Used - Federal Gold Medal Match Magnum 215M Why? Mag. Sierra MatchKing (sierra book data) RL-22 61.1 gr.- 66.7 gr. 22 caliber (.224 dia) 22 Hornet TNT Green 30 ... 300 Winchester Magnum 200 300 Weatherby Magnum 130 300 Weatherby Magnum 150 300 Weatherby Magnum 165 168 ... 350 Remington Magnum 220 350 Remington Magnum 250 356 Winchester 158 356 Winchester 180 356 Winchester 220 These are my attempts at finding an OCW load for a 220 grain bullet in my 300 Win Mag.

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