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Joined: Oct 2006
Posts: 7,446
Campfire Tracker
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OP
Campfire Tracker
Joined: Oct 2006
Posts: 7,446 |
I had a new custom built hunting rifle in 300PRC to the range yesterday. I used the Hawkins Hunter DBM on this build and I'm having an issue....
I used a Surgeon action on the build, and with no ammo in the DBM, the bolt is slick as hell. When I load the DBM and go to feed the cartridge, the bolt is a little rough and gritty. The cartridge will feed into the chamber but not as slick as it should.
The rifle is new and everything is cerakoted....not sure if its a feeding issue, or things just need worn in to feed more smoothly..??
I appreciate any thoughts or help!!
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Joined: Apr 2005
Posts: 13,785 Likes: 6
Campfire Outfitter
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Campfire Outfitter
Joined: Apr 2005
Posts: 13,785 Likes: 6 |
Check the bolt to see it it's contacting the loaded magazine's feed lips.
If it's not touching the mag, then check the round's resistance against the mag's feed lips. Some mags are smooth....some have a lot of drag.
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Joined: Oct 2006
Posts: 7,446
Campfire Tracker
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OP
Campfire Tracker
Joined: Oct 2006
Posts: 7,446 |
Check the bolt to see it it's contacting the loaded magazine's feed lips.
If it's not touching the mag, then check the round's resistance against the mag's feed lips. Some mags are smooth....some have a lot of drag. Will do....thank you!! It does feel like the cartridge is having a hard time sliding through the feed lips...
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Joined: Mar 2009
Posts: 2,813 Likes: 1
Campfire Regular
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Campfire Regular
Joined: Mar 2009
Posts: 2,813 Likes: 1 |
Check the bottom of the lips for a burr, small needle file and some Birchwood Casey's Aluminum Black will rectify the situation.
One of the 2 I have, had a burr, I will address the issue using the method I suggested.
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Joined: Jul 2007
Posts: 24,669 Likes: 6
Campfire Ranger
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Campfire Ranger
Joined: Jul 2007
Posts: 24,669 Likes: 6 |
Jeff - are you using the HPH mag(s)?
Any noticeable marks (from feed lips) on the brass?
![[Linked Image from i.imgur.com]](https://i.imgur.com/X0n16mr.png) WWP53D
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Joined: Jul 2010
Posts: 1,753 Likes: 22
Campfire Regular
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Campfire Regular
Joined: Jul 2010
Posts: 1,753 Likes: 22 |
It is the cartridge, not the bolt that is dragging.
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Joined: Oct 2006
Posts: 7,446
Campfire Tracker
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OP
Campfire Tracker
Joined: Oct 2006
Posts: 7,446 |
Jeff - are you using the HPH mag(s)?
Any noticeable marks (from feed lips) on the brass? Yes to both....going to polish the feed lips this wkend & see if that helps.
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Joined: Oct 2006
Posts: 7,446
Campfire Tracker
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OP
Campfire Tracker
Joined: Oct 2006
Posts: 7,446 |
It is the cartridge, not the bolt that is dragging. I agree....
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Joined: Jul 2007
Posts: 24,669 Likes: 6
Campfire Ranger
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Campfire Ranger
Joined: Jul 2007
Posts: 24,669 Likes: 6 |
Jeff - are you using the HPH mag(s)?
Any noticeable marks (from feed lips) on the brass? Yes to both....going to polish the feed lips this wkend & see if that helps. I used emery cloth on mine - it helped a lot. And it'll smooth out with more use too.
WWP53D
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Joined: Oct 2006
Posts: 7,446
Campfire Tracker
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OP
Campfire Tracker
Joined: Oct 2006
Posts: 7,446 |
Jeff - are you using the HPH mag(s)?
Any noticeable marks (from feed lips) on the brass? Yes to both....going to polish the feed lips this wkend & see if that helps. I used emery cloth on mine - it helped a lot. And it'll smooth out with more use too. Good info....I appreciate it!! 👍
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