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Where is it catching to cause the hitch you're experiencing?I have about 800 of .223 AI through mine.
The AI shoulder causes a slight “hitch” when loading it slow. Run the bolt like you mean it and it feeds great.
Use accurate .223 mags like suggested from ARC.
Mine is a 22” competition contour that I regularly shoot to 1000.
The shoulder going into the chamber. If you run the bolt like normal you don’t really notice it but if you try and slow feed it can cause problems.Where is it catching to cause the hitch you're experiencing?
That's surprising considering the conical breech.The shoulder going into the chamber. If you run the bolt like normal you don’t really notice it but if you try and slow feed it can cause problems.
This might be an .223 AI issue though not regular .223.
Hmmm. I am using the MDT metal/ plastic mags. Don’t know anyone with a full plastic mag. Wonder what it would do with those.I have a 223AI CDG, currently in a KRG Bravo. I’m using the MDT magazines: https://mdttac.com/223/ both the metal one with the plastic insert, and the plastic one. In my experience, the key is tuning magazines to the action.
If you compare the plastic insert feed lips on the metal magazine extend further toward the front of the mag compared to the plastic mag. This causes the metal mag to hold on to the cartridge longer in the mag before allowing the cartridge to slide up the bolt face and align into the chamber. This is why the plastic mag is rated to feed 223AI and the metal/plastic mag is not (according to the notes on KRG’s website). I trimmed the metal/plastic mag’s feedlips back until they match the size/shape of the feedlips on the all plastic mag. I also trimmed the back edge of the magazine slightly to allow the magazine to seat deep enough into the bottom of the action to present the loaded rounds properly and engage the mag catch.
Both mags feed 223 and 223AI just fine now. 223 AI loaded with 88ELDMs seated out to 2.50” OAL.
I use the MDT plastic mags to feed 223AI into a Tikka (in a KRG Bravo as well). Feeds great. Heck, I’ve even got a hybrid magazine that allows me to magazine feed 20 VarTarg into a Tikka/KRG Bravo. Works fine. Accurate, too.
Does this allow the round to come out and align more with the bore earlier?This is what I changed to the mags to allow them to function reliably in my ARC CDG.
View attachment 8491389View attachment 8491390View attachment 8491392
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Yes, by moving the front edge of the feed lips on the metal mag to the rear (by cutting them), the metal mag releases the round at the same time as the composite mag in the photo.Does this allow the round to come out and align more with the bore earlier?
Mine is coming in the chamber at a sharp and and dragging in the bullet.
Would you be willing to post a video of your rifle feeding? Mine, set up very similarly with the same mags, doesn't feed well at all.I have about 800 of .223 AI through mine.
The AI shoulder causes a slight “hitch” when loading it slow. Run the bolt like you mean it and it feeds great.
Use accurate .223 mags like suggested from ARC.
Mine is a 22” competition contour that I regularly shoot to 1000.
Huh. I gotta file that away. Interesting (and good!) tip.Took my misbehaving .223AI to a local smith (shoutout to Shane at Harless Precision in Colorado Springs). We fiddled around with it yesterday. ARC had mentioned radiusing and polishing the extractor. Shane had the brilliant idea to remove the extractor completely and see how it fed. Like butter. You'd never know it had a feeding problem. He's going to work his magic on the extractor, and we're both pretty confident he can make it run with the Accurate Mags.