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Long Range Hunting & Shooting
Brand new CA Ridgeline 300 PRC Chambering issue?
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<blockquote data-quote=".280AI Freak-Nasty" data-source="post: 2531396" data-attributes="member: 117997"><p>Hello! I recently purchased the Ridgeline in 300 PRC. I started the break-in process last week. I started with the Hornady ELDM 225 gr. It was difficult to get the bullet into the chamber, but after shooting, I could not open the bolt without significant force - using the palm of my hand to force the bolt open. The case showed signs of significant pressure. I tried three more rounds, hoping the first one was a fluke but got the same result as the first. I brought the firearm home and cleaned it as suggested on the CA break-in page. After a few days, I decided to try the Hornady ELDX 212 gr. These were easier to eject, but still showed signs of pressure. Both the 225s and the 212s show clear rifling striations on one side of the projectiles when live rounds are ejected; live rounds are also difficult to extract from the chamber This leads me to believe that my rifle's throat may be too short or that the chamber may have been cut an angle. </p><p></p><p>I contacted Christenson they told me that their firearms are on the tighter side of SAMMI spec. That's why it is showing pressure on the case. I would like to get some opinions on this. To me the fact that the projectile is only engaging the rifling on one side when chambering a round makes me think that the chamber may have been cut off-center on this rifle </p><p></p><p>Thanks.[ATTACH=full]366379[/ATTACH][ATTACH=full]366378[/ATTACH][ATTACH=full]366377[/ATTACH]</p></blockquote><p></p>
[QUOTE=".280AI Freak-Nasty, post: 2531396, member: 117997"] Hello! I recently purchased the Ridgeline in 300 PRC. I started the break-in process last week. I started with the Hornady ELDM 225 gr. It was difficult to get the bullet into the chamber, but after shooting, I could not open the bolt without significant force - using the palm of my hand to force the bolt open. The case showed signs of significant pressure. I tried three more rounds, hoping the first one was a fluke but got the same result as the first. I brought the firearm home and cleaned it as suggested on the CA break-in page. After a few days, I decided to try the Hornady ELDX 212 gr. These were easier to eject, but still showed signs of pressure. Both the 225s and the 212s show clear rifling striations on one side of the projectiles when live rounds are ejected; live rounds are also difficult to extract from the chamber This leads me to believe that my rifle's throat may be too short or that the chamber may have been cut an angle. I contacted Christenson they told me that their firearms are on the tighter side of SAMMI spec. That's why it is showing pressure on the case. I would like to get some opinions on this. To me the fact that the projectile is only engaging the rifling on one side when chambering a round makes me think that the chamber may have been cut off-center on this rifle Thanks.[ATTACH type="full"]366379[/ATTACH][ATTACH type="full"]366378[/ATTACH][ATTACH type="full"]366377[/ATTACH] [/QUOTE]
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Brand new CA Ridgeline 300 PRC Chambering issue?
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