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hounddawg · May 18, 2020, 05:36 PM

if what you are asking is if certain bullets appear to like a certain muzzle velocity then yes. The thread I am doing on the 80 Berger shows the groups tightening up at around 3010 FPS with my best group so far at 3110 and the best group so far at 3139 FPS. My research on this bullet showed me that other shooters had success at 3150 FPS using VV N135 and Federal 205M's. Different primer, powder, and twist barrel twist rate but the groups tightened at about the same FPS. I am using IMR 8208 XBR and CCI 450's to get there. The 8208 is a tad faster than the N135 so weight wise I need just a touch more than I would N 135 to get to 3150

May 18, 2020, 05:36 PM	#5
hounddawg Senior Member Join Date: March 1, 2009 Posts: 4,232	if what you are asking is if certain bullets appear to like a certain muzzle velocity then yes. The thread I am doing on the 80 Berger shows the groups tightening up at around 3010 FPS with my best group so far at 3110 and the best group so far at 3139 FPS. My research on this bullet showed me that other shooters had success at 3150 FPS using VV N135 and Federal 205M's. Different primer, powder, and twist barrel twist rate but the groups tightened at about the same FPS. I am using IMR 8208 XBR and CCI 450's to get there. The 8208 is a tad faster than the N135 so weight wise I need just a touch more than I would N 135 to get to 3150 __________________ “How do I get to the next level?” Well, you get to the next level by being the first one on the range and the last one to leave.” – Jerry Miculek