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16 April 2010, 19:09 #1Member
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What Buffer for Subsonic/Suppressed ammo?
Hey guys, pretty new here, seems like a good group of shooters. Anyways i have applied for my class 3 permit for a suppressor for my Smith M&P15, my question is do i need to change my buffer or spring to handle the lower pressure subsonic loads? currently have a DD T2 buffer
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19 April 2010, 16:34 #2Member
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Doesn't the suppression increase the interal pressure? At least I always thought it did so by going with SS ammo it's kind of a trade off.
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19 April 2010, 21:25 #3Manufacturer
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Class 3 Permit? I am sure you meant to say Form 4. Your rifle probably will not cycle reliably, if at all, with subsonic ammunition and a reduced power action spring will not solve any problems. Only shoot ammunition your rifle was designed to shoot. As to the buffer, ANY suppressed AR-15/M16 should have an X Buffer installed, period.
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21 April 2010, 16:28 #4
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21 May 2010, 09:05 #5Member
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So no subsonics unless i want a single shot... and yes 5.56 is the caliber of the firearm. And i can't say i'm familiar with an X buffer, what is it and where can i get one?
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21 May 2010, 11:17 #6Manufacturer
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An X Buffer is manufactured with three tungsten weights and a steel body in lieu of aluminum. You can purchase one here
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28 July 2010, 21:30 #7
No picture and no information on the X Buffer. What is the advantage to using this buffer?
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29 July 2010, 04:28 #8Manufacturer
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Last edited by Specialized Armament; 20 August 2010 at 06:40.
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20 August 2010, 06:19 #9Member
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Im waiting for my 12.5" barrel to come back. Ill be running a Spikes T2 buffer with a Noveske switchblock so I shouldn't have to use as heavy of a buffer.