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2/24/2018 9:59 am  #11

Re: BK-308 compatible parts list.

I received my lower yesterday and milled it out using the 80 percent arms GEN2 Easy Jig.  The lower fit the jig well and I didn't have any issues.  I have a CMMG lower parts kit (minus the handle and fire group).  The mag release and bolt catch went on easily.  I have installed the pivot pin which sticks out about .070 inches (roughly a 1/16 of an inch).  The take down pin will stick out just a hair less than the pivot pin.

I have Fulton upper parts kit along with some other stuff on order which should be here soon so I will post my findings for that particular hardware as well.    


3/11/2018 4:50 pm  #12

Re: BK-308 compatible parts list.

Just to follow up after sending some rounds down range...

My lower build parts:
Broken Arms 308 Lower milled with the 80 Percent Arms Gen2 Easy Jig
CMMG 308 Lower Parts Kit
Radian Talon Amb. Safety Selector
Geissele SD-E Trigger
Rifle Length Buffer Tube
JP Enterprises 308  Silent Captured GEN-2 Buffer
Magpul PRS-Gen3 Rifle Stock (still undecided if I would prefer a 6 position stock on a carbine length tube)
Magpul MIAD Gen 1.1 Grip (type 2 for 308)

The Upper is a Fulton Armory 6.5 Creedmoor parts kit which I assembled.  I am using 20 round Magpul PMAG 20 LR/SR Gen3 magazine.

I did a quick sight in with an EOTech red dot that I put on temporarily just to make sure everything worked well.  Everything worked well together and the weapon held a good group.  No technical issues at all.  Very pleased with it.

Obviously I need to get a scope on it and shoot some long distance but as far as mechanical functionality of everything built upon the BA308 lower...NO ISSUES.



4/02/2018 7:12 pm  #13

Re: BK-308 compatible parts list.

Mike wrote:

- 308 upper receiver (only use high rise DPMS style)
Aero M5 upper     <---- fits perfectly and looks best (our lower was designed to match up to it)
Palmetto PA10 upper     <--- does not fit. (Palmetto upper doesn't match any.  They are proprietary to Palmetto)

So DPMS Gen 2 will not work? Most of the build kits I have found have been gen 2.


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