Piston upper for M16

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    ar15dave

    ar15dave

    AR15Dave
    Jun 10, 2008
    2,226
    Monrovia, MD
    Well I just got the last of the parts in for the piston upper build. Will start putting things together this weekend. Also have parts to re-vamp one of my SBR lowers. Going to put my old MVB stock back on it and fit it with a FosTech Echo II binary trigger.

    Dave
     
    B

    bm3r

    Active Member
    Mar 25, 2013
    273
    Ever finish your build?

    Or consider gas?

    I have a 12.5” mid length with a govnah gas block - micro moa is out of business now, but this upper runs perfect and low recoil

    My next set up will be a 14.5” midlength BCM enhanced fluted .750 with an SLR
     
    outrider58

    outrider58

    Eats Bacon Raw
    MDS Supporter
    Jul 29, 2014
    49,989
    Dave, if you go with the Adams system, you will need to have constant access to the switch block. At least the very front of it.
     
    S

    sleepingdino

    Active Member
    Mar 13, 2013
    607
    People's Republic of Mont Co
    I don't find the gas from a suppressed piston driven upper to be significantly different from my DI guns. I have an LWRC pistol and do like it due to the gases being vented under the handguard. The bolt carrier is a little cleaner though. I wish it had an adjustable gas block. The spring cup had to be replaced due to increased wear.
     
    B

    bm3r

    Active Member
    Mar 25, 2013
    273
    sleepingdino said:
    I don't find the gas from a suppressed piston driven upper to be significantly different from my DI guns. I have an LWRC pistol and do like it due to the gases being vented under the handguard. The bolt carrier is a little cleaner though. I wish it had an adjustable gas block. The spring cup had to be replaced due to increased wear.
    Click to expand...


    The IC A5 models have an adjustable gas block. Do you have the 8.5” PSD?
     
    Wayne1one

    Wayne1one

    gun aficionado
    Feb 13, 2011
    3,131
    Bowie, MD
    ar15dave said:
    Well I just got the last of the parts in for the piston upper build. Will start putting things together this weekend. Also have parts to re-vamp one of my SBR lowers. Going to put my old MVB stock back on it and fit it with a FosTech Echo II binary trigger.

    Dave
    Click to expand...

    12.5" upper looks really good for $499 at Aimsurplus/Atlantic

    27657922_10156043933309882_2164454471593971053_n.jpg
     
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