The Firing Line Forums - View Single Post - New Rifle, What can be causing this at 20 yards?

taylorce1 · August 17, 2014, 01:19 PM

Keyholing usually is caused by a bullet too long for the twist rate of the barrel. I'd check your twist rate with a tight patch and cleaning rod it's very easy to do. Once you find out what the twist is we can better help you.

Saw it's a Handi Rifle, this should be easy to diagnose.

August 17, 2014, 01:19 PM	#15
taylorce1 Senior Member Join Date: November 18, 2005 Location: On the Santa Fe Trail Posts: 8,248	Keyholing usually is caused by a bullet too long for the twist rate of the barrel. I'd check your twist rate with a tight patch and cleaning rod it's very easy to do. Once you find out what the twist is we can better help you. Saw it's a Handi Rifle, this should be easy to diagnose. __________________ NRA Life Member