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Post by bradshaw on Mar 17, 2015 6:51:19 GMT -5
Mark.... if top accuracy was achieved with stick powder, and a dropoff is known to follow loading with ball powder, avoid the ball propellant. Very hard fouling may be present, requiring aggressive therapy. Thus, the fire lap caper.
David Bradshaw
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Post by aus71383 on Mar 31, 2015 4:28:24 GMT -5
You can also get some nice keyholes shooting the wrong calibers out of a gun. Had a buddy that shot some 6.5x55 in his 7.5x55 - no one got hurt, thankfully….but you could hear the whizzing/whirring noise of the bullet tumbling. I looked up the twist rate for your rifle and it's 1:14 - seems awful slow for a .224 caliber, but I'm used to 5.56x45 velocities - 4k fps is a lot of spin. I'd be hoping it's copper fouling. You won't get it out with Hoppes #9 if it is. I use this stuff ( www.kgcoatings.com ) on guns I care a lot about. Austin |
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