Results 61 to 75 of 84
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28 January 2018, 14:29 #61
I initially had the spacer installed with a carbine length spring and carbine length buffer. This would not allow the bolt to go back far enough to pick up the round to chamber. Once I removed the spacer it worked correctly. Only problem I have now is the spring doesn't have enough power to fully chamber the round. I fear that if I put a rifle length spring in it that this will not allow the bolt to go back far enough to pick up the round. The UBR 2 manual states that you aren't to run a rifle length spring in it.
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28 January 2018, 18:19 #62
An A5 uses a rifle length spring. I don’t know what context the manual refers to by that statement.
A rifle length spring with a carbine buffer will give the adequate space with the AR10 carrier.
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28 January 2018, 19:00 #63
Excerpt from Magpul regarding UBR 2.0:
"A carbine buffer and spring (M4 or SR-25 length) or A5 buffer and spring are required for use with the UBR and are not included.“
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28 January 2018, 19:44 #64
You are right, the AR15 rifle length spring may be too long, but a 308 rifle length spring should be fine.
Maybe my post wasn't clear (I said it was confusing!), but you have two options:
1) Put the spacer back in, use an AR15 carbine springs, and get the short DPMS/SR25 308 carbine buffer: https://aeroprecisionusa.com/308-carbine-buffer.html
or
2) Leave the spacer out, use your AR15 carbine buffer, and get an Armalite AR10 pattern buffer spring (which is the same for AR10 rifles and carbines but is different from both AR15 rifle and carbine springs and not the same as the DPMS/SR25 carbine spring): https://www.rainierarms.com/armalite...buffer-spring/
I recommend the latter.
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28 January 2018, 20:04 #65
Pretty sure I'm building an AR-10. Looking for some advice.
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Last edited by fledge; 28 January 2018 at 20:05. Reason: BoilerUp posted while I was writing. Deleted comment.
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29 January 2018, 04:40 #66
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29 January 2018, 18:17 #67
Picked up the Armalite spring from DSG Arms for $11.50 shipped. We'll see if that fixes me up.
Last edited by titanse05; 29 January 2018 at 18:43.
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1 February 2018, 07:41 #68
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2 February 2018, 12:24 #69
Rifle length spring arrived today and now it operates correctly. Now I just need an opportunity to shoot it.
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2 February 2018, 17:09 #70
This one? https://dsgarms.com/armea1095
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2 February 2018, 17:13 #71
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2 February 2018, 17:28 #72
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2 February 2018, 21:46 #73
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3 February 2018, 01:46 #74
That thing turned out great..Nice looking rifle!
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3 February 2018, 05:44 #75
Very nicely done, titan.
There's no "Team" in F**K YOU!