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The Range
Rifle & Shotgun Discussion
Hesitant AR15
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<blockquote data-quote="aviator41" data-source="post: 2276209" data-attributes="member: 30309"><p>Okay, let me try and answer everyone's questions, and thank you all for the help:</p><p></p><p>Forward Assist: yes, it has a forward assist. there are no marks on the Bolt Carrier where it would be dragging on it, including the front of the carrier. I inspected the Forward assist pin and it's still virgin. (I've never needed to use it)</p><p></p><p>I don't see any odd wear markins in the upper where the bolt carrier would be dragging, but I will inspect closer this evening during tear-down. Is there a particular spot i need to be focusing on? </p><p></p><p>I have switched out the BCG and Charging handle with several others, the problem persists. I have not had a chance to put THIS bcg in another rifle and fire it. if it's causing problems, I don't want to risk damaging my other rifles.</p><p></p><p>This is a carbine sized rifle with a carbine size buffer tube, buffer and buffer spring. I did, oddly enough, notice that the buffer is not solid sounding when shaken. It has a rattle to it, imagine a couple of bolts inside a prescription bottle. kinda sounds like that. is it possible that the buffer has gone Tango Uniform?</p><p></p><p>Closer inspection does show some gas escaping from the gas block out of a bleed hole. but the bolt seems to be cycling the carrier to correct distance.</p><p></p><p>It buffer tube is threaded all the way up properly. enough to hold the detent in, not so far as to cause binding.</p><p></p><p>I was talking with my son about this last night and he mentioned that he had one round jam in the rifle pretty good. it took both hands pulling on the charge handle to get the bolt to rotate and eject an unspent round. I chalked it up to a round that didn't like being neck sized. it happens. The bolt does rotate smoothly and that was the only bolt-forward issue he reported.</p><p></p><p>Is it possible that the bolt locking lugs are not fully engaging, therefore it requires less gas pressure to cycle? since it takes less pressure, more pressure is used to slam the bolt carrier into the buffer tube, causing it to jam at its rear-most position?</p></blockquote><p></p>
[QUOTE="aviator41, post: 2276209, member: 30309"] Okay, let me try and answer everyone's questions, and thank you all for the help: Forward Assist: yes, it has a forward assist. there are no marks on the Bolt Carrier where it would be dragging on it, including the front of the carrier. I inspected the Forward assist pin and it's still virgin. (I've never needed to use it) I don't see any odd wear markins in the upper where the bolt carrier would be dragging, but I will inspect closer this evening during tear-down. Is there a particular spot i need to be focusing on? I have switched out the BCG and Charging handle with several others, the problem persists. I have not had a chance to put THIS bcg in another rifle and fire it. if it's causing problems, I don't want to risk damaging my other rifles. This is a carbine sized rifle with a carbine size buffer tube, buffer and buffer spring. I did, oddly enough, notice that the buffer is not solid sounding when shaken. It has a rattle to it, imagine a couple of bolts inside a prescription bottle. kinda sounds like that. is it possible that the buffer has gone Tango Uniform? Closer inspection does show some gas escaping from the gas block out of a bleed hole. but the bolt seems to be cycling the carrier to correct distance. It buffer tube is threaded all the way up properly. enough to hold the detent in, not so far as to cause binding. I was talking with my son about this last night and he mentioned that he had one round jam in the rifle pretty good. it took both hands pulling on the charge handle to get the bolt to rotate and eject an unspent round. I chalked it up to a round that didn't like being neck sized. it happens. The bolt does rotate smoothly and that was the only bolt-forward issue he reported. Is it possible that the bolt locking lugs are not fully engaging, therefore it requires less gas pressure to cycle? since it takes less pressure, more pressure is used to slam the bolt carrier into the buffer tube, causing it to jam at its rear-most position? [/QUOTE]
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