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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Speedy hammers
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<blockquote data-quote=".300 Dakota" data-source="post: 2236246" data-attributes="member: 106514"><p>I ordered the 73gr HHs (.22 cal) and 117gr HHs (.27 cal). My newly finished .22 Creedmoor shot it's first group today - 1/2" with 78gr Barnes TSX over 40 grains of MRP in an ADG case seated .050" off the lands with Federal 210M primers. (100yds) I am expecting that same combo to yield even better results with the Hammers!. I will make more of what I shot today and compare on paper and over the chronograph maybe next weekend. </p><p></p><p>The 117gr .277 cal is for a wildcat I designed and have a pre-fit barrel made for. I call it the .270 SDC (Southern Deer Cartridge). It utilizes a Creedmoor case with a modified throat (freebore is reduced) to improve accuracy with light-for-caliber projectiles hovering around the .400 BC mark. Distance is rarely needed down here except in special (rare) circumstances, such as sitting on a powerline or pipeline right of way or on the fringe of a bean/corn/peanut field. The design is suppose to shoot flatter to 500yds than a .270 Win with standard factory hunting ammo. If more distance is needed, a 140gr Berger can be loaded, but I'll have to get creative with powders, neck tension, and seating depth to keep the muzzle velocity up. I will probably order the 124gr Hammer Hunters, also, for a bit more BC. I placed my order Thursday afternoon, they were shipped yesterday by FedEx, and will likely be here Monday evening when I get in from work. It will be interesting to see if any or how much extra velocity will be achieved by using the Hammers in both rifles. I am also considering some 260gr HHs for my 338 Edge.</p></blockquote><p></p>
[QUOTE=".300 Dakota, post: 2236246, member: 106514"] I ordered the 73gr HHs (.22 cal) and 117gr HHs (.27 cal). My newly finished .22 Creedmoor shot it's first group today - 1/2" with 78gr Barnes TSX over 40 grains of MRP in an ADG case seated .050" off the lands with Federal 210M primers. (100yds) I am expecting that same combo to yield even better results with the Hammers!. I will make more of what I shot today and compare on paper and over the chronograph maybe next weekend. The 117gr .277 cal is for a wildcat I designed and have a pre-fit barrel made for. I call it the .270 SDC (Southern Deer Cartridge). It utilizes a Creedmoor case with a modified throat (freebore is reduced) to improve accuracy with light-for-caliber projectiles hovering around the .400 BC mark. Distance is rarely needed down here except in special (rare) circumstances, such as sitting on a powerline or pipeline right of way or on the fringe of a bean/corn/peanut field. The design is suppose to shoot flatter to 500yds than a .270 Win with standard factory hunting ammo. If more distance is needed, a 140gr Berger can be loaded, but I'll have to get creative with powders, neck tension, and seating depth to keep the muzzle velocity up. I will probably order the 124gr Hammer Hunters, also, for a bit more BC. I placed my order Thursday afternoon, they were shipped yesterday by FedEx, and will likely be here Monday evening when I get in from work. It will be interesting to see if any or how much extra velocity will be achieved by using the Hammers in both rifles. I am also considering some 260gr HHs for my 338 Edge. [/QUOTE]
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