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+--- Thread: Feeding problem - Please help (/showthread.php?tid=4168)
Feeding problem - Please help - hughmongus - 11-28-2012
I have been trying to get my Grendel to feed & fire reliably without much success. I have been using Hornady brass, 123g AMax bullets, and some Nosler 123g BT bullets with OAL from 2.25 - 2.70 and nothing will chamber reliably. The rifle shoots great when I get one chambered. I'm thinking it could be the magazine but I would appreciate some more experienced feedback. Also wondering if polishing the feed ramps would help? Thanks in advance for any help.
Picture of bolt picking up a new round:
![[Image: bolt.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/bolt.jpg)
Round gets stuck here without help:
![[Image: chamber.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/chamber.jpg)
Case damage:
![[Image: casedamage.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/casedamage.jpg)
After I get a round to chamber it leaves a rub on the bullet:
![[Image: bullet.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/bullet.jpg)
Feeding problem - Please help - ricsmall - 11-28-2012
looks like you need to "meltdown" your feed ramps. Do a search on here. LRRPF52 had some posts on the subject. That should help you some with the round catching on the ramps and scarring. I dont know whats causing the marks in last photo, what chamber/whose barrel do you have?
Feeding problem - Please help - hughmongus - 11-28-2012
Bhw 264 lbc
Feeding problem - Please help - Bwild97 - 11-28-2012
Have you tried to widen the mag feed lips?
The last photo is showing a fairly short throat.
Feeding problem - Please help - sneaky one - 11-29-2012
Make sure the ejector isn't too long, & and raise the mag. lips .020-gently=more in the front-almost zero in the rear, do the ultra slo mo release to see where the tip hits the ramp= get a helper to see. Which feedramps are in there? Oh no, another BHW issue.
Feeding problem - Please help - hughmongus - 11-29-2012
I removed the barrel yesterday. The feed ramps had awful tooling marks on them. I sanded the feed ramps until the tooling marks were gone then buffed them to chrome like finish with a dremel. I fired 10 rounds through it yesterday and it cycled every round.
![[Image: photo4.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/photo4.jpg)
Feeding problem - Please help - ricsmall - 11-29-2012
glad you got it running.
Feeding problem - Please help - kamrr4437 - 11-29-2012
Awesome man glad to hear it.
Feeding problem - Please help - txgunner00 - 11-29-2012
I guy I shoot with here locally had the same issue as you with a barrel from another manufacturer. Similar symptoms & damage to the rounds. He sent it back and the manufacturer performed the same fix. Works great now.
Feeding problem - Please help - Bwild97 - 11-29-2012
hughmongus, How is that Polymer lower working for you? Does your mag fit a little tight? I'm glad you got that upper running, show us some groups!!!
Feeding problem - Please help - hughmongus - 11-29-2012
Shot 30 rounds today with zero problems. As soon as I find the "sweet" round I will put some groups in here. I am currently trying the CFE loads that BWild has in another thread. I'm trying to ween myself off my SOCOM and now that the Grendel is running it will make that a little easier. :p
Bwild97 Wrote:hughmongus, How is that Polymer lower working for you? Does your mag fit a little tight? I'm glad you got that upper running, show us some groups!!!
The poly lower is good. It has a 5.5lb trigger out of the box. I am putting the aluminum lower back on it though. I originally bought that poly lower for my .22LR.
Since everyone loves gun porn.
This is my .22LR plinker.
![[Image: 22.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/22.jpg)
My Grendel
![[Image: grendel.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/grendel.jpg)
My 458
![[Image: 458.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/458.jpg)
Feeding problem - Please help - hughmongus - 11-29-2012
Engraving on the receiver that always puts a smile on peoples faces.
![[Image: photo7.jpg]](http://i446.photobucket.com/albums/qq185/jcoffey73/photo7.jpg)
Feeding problem - Please help - sneaky one - 11-30-2012
hugh, glad your gun runs, sad You had to fix the problem-that's kinda--badd....... I'm bad-bad bad bad-- Badd-,,, I'm nationwide! ZZtop, 1980.= Sorry.
Feeding problem - Please help - ericv - 11-30-2012
Awesome! What stock is that on the Grendel?
Feeding problem - Please help - hughmongus - 11-30-2012
ericv Wrote:awesome! What stock is that on the grendel?
ace arul
Feeding problem - Please help - sneaky one - 12-01-2012
That's Baddass. The baddest, ho dang, thing I ever did saw. Sorry.