Primeh1alpha Posted January 30 Report Share Posted January 30 New member from the poorly labeled Free State of Maryland, have learned quite a bit about building my .308 rifles just from the posts I have been reading. My first one was a total failure, all the problems listed I seemed to find. So now I am working on an Aero Precision build with mostly M5 parts, upper 18" rifle length gas with a listed .0890 gas port and the adjustable block. Used the recommended orange spring in the aero carbine tube, but may have gone too far with the KVP AR10 SS buffer that all said and done was about 5.7oz. As of yet have not fired this version, so I am hoping for the best. I like to shoot outdoor ranges and just not a fan of the indoor shooting, so waiting for better weather. Hope that it goes well. My BCA is still a work in progress. Have been following the "waterboarding" to the letter (I hope) Quote Link to comment Share on other sites More sharing options...
Shotcaller6 Posted January 31 Report Share Posted January 31 The Cavalry is saddling up and headed your way shortly... Quote Link to comment Share on other sites More sharing options...
98Z5V Posted January 31 Report Share Posted January 31 4 hours ago, Primeh1alpha said: 18" rifle length gas with a listed .0890 gas port and the adjustable block. Used the recommended orange spring in the aero carbine tube, but may have gone too far with the KVP AR10 SS buffer that all said and done was about 5.7oz. Welcome aboard - I think you're gonna be fine with the recoil system. The listed gas port diameter is damn close. All of these are slightly different, and I've seen 18" rifle gas .308s with 0.750" journal diameters need a gas port diameter up to 0.096" before. Start that adjustable gas block wide open, when you do start lighting it up. You're on a great track with it, man - stay the course, see what it does like that, with the parts you have now. Quote Link to comment Share on other sites More sharing options...
shooterrex Posted January 31 Report Share Posted January 31 Welcome from Ky. Lube the BCG dripping wet to start. Quote Link to comment Share on other sites More sharing options...
Magwa Posted January 31 Report Share Posted January 31 Welcome from the Rez sounds like it will be a great rifle I love Areo's barrels Quote Link to comment Share on other sites More sharing options...
Rsquared Posted January 31 Report Share Posted January 31 Welcome aboard from another citizen of the peoples republic of Marylandstan. Quote Link to comment Share on other sites More sharing options...
sagebrush Posted January 31 Report Share Posted January 31 welcome from Oregon Quote Link to comment Share on other sites More sharing options...
Primeh1alpha Posted January 31 Author Report Share Posted January 31 Thanks everyone for the warm welcome. I have already purchased my Ace Hardware drill bits just because you may never know. Forgot to mention that I had purchased 2 Toolcraft Nickel Boron BCG's. When my rifles were shooting they seemed to be doing their job just fine. What I found after going through all the information here was almost always too short gas tube, wrong buffer and spring, crappy BCG, etc. (all from BCA rifle). Broke the buffer retainer off, carbine tube was too short by about 1/8". I have fixed all those issues just waiting to get back outside and give it a go again. Quote Link to comment Share on other sites More sharing options...
shooterrex Posted February 1 Report Share Posted February 1 (edited) In the bottom pic your scope mount is backwards. On further review looks like the other mount is backwards too. Edited February 1 by shooterrex Quote Link to comment Share on other sites More sharing options...
98Z5V Posted February 1 Report Share Posted February 1 ^^^ Yep, what Rex said. Flip that mount around. Quote Link to comment Share on other sites More sharing options...
Magwa Posted February 1 Report Share Posted February 1 10 hours ago, 98Z5V said: ^^^ Yep, what Rex said. Flip that mount around. rgr that taper to the front Quote Link to comment Share on other sites More sharing options...
Primeh1alpha Posted February 1 Author Report Share Posted February 1 And that is why I joined this group, did not even know that was a thing. Thank you all for pointing it out. The sad thing is that I read what little instructions came with the darn things. Quote Link to comment Share on other sites More sharing options...
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