Chuck R.
Member
Spent yesterday afternoon helping on of the guys put together a 16" AR15 in .300AAC for his son to deer hunt with. Parts were:
Aero upper and lower
Wilson Combat barrel & BCG
Geissele SSA-E trigger
Magpul Furniture
Assembly went smooth, test firing not so much.
The barrel and bolt passed head space check, Headspace is tight, but passed a "GO" gauge. The gun had multiple FTE and an occasional FTF where the bolt wouldn't go completely into battery, when sling shot-ted. It will when going using the bolt release. It would lock back on empty mag, ejection pattern was where it's supposed to be.
FTE's were with a round stripped from the mag, partially chambered, but with the spent case from the fired round hung up in the ejection port.
Tried another bolt, zero issues. Checked extractor and ejector..OK, but brass was very tight going into the bolt face. Tried another couple of pieces of brass, and I couldn't even get some of the brass into the bolt face. When leveraging in a piece of brass onto the bolt face with the ejector and extractor in place, it will partially eject, but hangs up. Pic is with ejector and extractor in place, extractor has the post and rubber "O" ring in place. Ejector has plenty of strength.
Try as I might I can't duplicate the above picture with one of my bolts. Honestly it's the 1st time I've ever seen anything like this. I measured on of my bolt's faces at .3830" and I measured the WC Bolt face at .3760".
It appears the bolt face is too small. He's going to get on the phone with Wilson Combat on Monday and see what they have to say.
Has anybody ever experienced similar??
Aero upper and lower
Wilson Combat barrel & BCG
Geissele SSA-E trigger
Magpul Furniture
Assembly went smooth, test firing not so much.
The barrel and bolt passed head space check, Headspace is tight, but passed a "GO" gauge. The gun had multiple FTE and an occasional FTF where the bolt wouldn't go completely into battery, when sling shot-ted. It will when going using the bolt release. It would lock back on empty mag, ejection pattern was where it's supposed to be.
FTE's were with a round stripped from the mag, partially chambered, but with the spent case from the fired round hung up in the ejection port.
Tried another bolt, zero issues. Checked extractor and ejector..OK, but brass was very tight going into the bolt face. Tried another couple of pieces of brass, and I couldn't even get some of the brass into the bolt face. When leveraging in a piece of brass onto the bolt face with the ejector and extractor in place, it will partially eject, but hangs up. Pic is with ejector and extractor in place, extractor has the post and rubber "O" ring in place. Ejector has plenty of strength.
Try as I might I can't duplicate the above picture with one of my bolts. Honestly it's the 1st time I've ever seen anything like this. I measured on of my bolt's faces at .3830" and I measured the WC Bolt face at .3760".
It appears the bolt face is too small. He's going to get on the phone with Wilson Combat on Monday and see what they have to say.
Has anybody ever experienced similar??