April 5, 2014 at 6:45 pm #2501
In my other post titled “An Awesome Week”, I made mention of beginning a AR pistol build. In regards to the build, and in order to save some dollars, I have a A1 upper with carrying handle. My question is this, is it feasible to mill the handle off and create a flat top minus the T slots? Pressures should not be an issue as the dimensions between a flat top and A1 model are nearly identical. Feed back and/or advice is appreciated.April 6, 2014 at 12:59 am #2514
A machinist could absolutely mill the upper for you. The main issue (I think) would be figuring out the right fixtures to hold the piece, that wouldn’t put undue stress on the upper.
I would look in your local craigslist for a machinist advertising work, and call to discuss the project with him.
However, I would be surprised if he didn’t want atleast $50 to mill it smooth, free hand. It wouldn’t be worth it coming up with the g-code for one piece. So… hate to say this, but probably more economical to buy another upper.
just my 2 cents. Good luck with your build.April 6, 2014 at 1:46 am #2515JustARandomGuyParticipant
What H said- before you get to the milling part, see if you can either sell it and use the funds to get a flattop, or you may even find someone that would want to trade- some folks still like the carry handle uppers, either for nostalgic or KISS reasons.
"Time come Kimosabe, when good men must wear masks."
~TantoApril 6, 2014 at 8:44 am #2521DuaneHParticipant
Check out Palmettostatearmory.com. They typically run 39.95$ blem stripped m4 uppers.
I stocked up on the blemmed uppers and they don’t look bad. Some of them just have handling marks.
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TEAM COYOTE!April 6, 2014 at 6:09 pm #2556DiznNCParticipant
Ditto on the PSA blemish sale. You’re gonna spend at least that much to get it milled. There are guys that still prefer an A1 upper for simple iron sights. Good chance you can sell/trade it.
CTT 1505, NODF 1505, CP 1503, LN 1, RC II, RiflemanApril 8, 2014 at 5:00 pm #2741
Thanks for your opinions and advice. You have given me a lot to think about and I have decided to got with a true flat top. Will let ya’ll know how the build goes and of course the all important performance aspect of a done deal.April 11, 2014 at 12:50 am #2946
Bought a flat top upper with M4 groves and a couple of smaller parts today. Hurry up next pay day. The barrel and Sig brace is on order. Speaking of the Sig brace, if you don’t already have one, you need to get it quick. After the recent ATF letter signifying that the agency deems it legal to fire from the shoulder from a pistol since the ATF cannot regulate how the product is used, they are flying off the shelves and becoming increasingly difficult to find. Just think about the SBR that you always wanted but could not afford the stamp or the waiting period, well now you can have it in the form of a pistol AR with a Sig brace model SB-15.April 11, 2014 at 11:13 pm #3068April 24, 2014 at 8:38 pm #3962
The pistol build is going slowly but going none the less. Attached is the upper and mid length rail. Only three parts left, the barrel, BCG, and muzzle device (of which I have not decided upon yet). Also picked up the Sig-Brace today.
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