Quoted: i have an 80% project started that im doing in A1 style(SP1ish) so far i have milled off the mag fence and squared off the the front take down tabs. mag fence was easy with an end mill and squaring off the front take down tabs was even easier not sure what I'm gonna do about the beefed up buffer tube housing, I think I just might leave it the way it is. Im gonna have to resandblast the spots where I milled, which means i might have to sandblast the whole thing again to get a uniform prefinish. my biggest concern is getting the color to match, colt grey. I read a while back that sandstrom is what they used but I have no clue on where to get it or how to apply it etc. any info on this anyone?
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Do you mean to say that the buffer tube area is thicker? I thought the A2 buffer tube housing as you call it is thicker? I would measure my SP1 type lower vs. my two A2 type lowers but I do not have calipers.
I am glad to see so much interest in this. I have been one of the advocates for SOMEONE making good A1 lowers - as well as real gray anodizing - for a couple years. Maybe we can get enough critical mass to bring something to fruition.
I am going to write Mega asking them if they'd do a "515" or "Model 15A1" like this, unanodized or in gray, and an A1, no gator grip. I have always thought that that 'Atomic Age' logo is just right for a 'retro' lower. I have a design or two of my own I'd like to see - like the 'Liberty Tree' of old.
I have no concerns about doing the mag fence (if I wanted an XM) or pivot tabs, it's the buffer tube area that I have no idea how to do, and would rather 'have done'
Color match - U.S. Anodizing does 'Pre Ban Gray' and it is a type III milspec hardcoat anodizing rather than a spray/bake product.