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| Raised Hands Surround Us Three Nails To Protect Us  |
This will mostly be my truck gun to pair with the Glock 20 SF. I was thinking 10.5” not too short, not too long. Any thoughts on Brownells stainless barrels? https://www.brownells.com/rifl...teel-prod113647.aspx ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | ||
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Ballistics by the inch You knew the job was dangerous when you took it, Fred! - Henry Cabot Henhouse III, aka "SuperChicken" | |||
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Armed and Gregarious |
You can also plug muzzle velocity data into this calculator: http://gundata.org/ballistic-calculator/ to see more detailed performance numbers for various rounds. I used this calculator to determine a 25 yard zero was probably best for my 9mm AR. I settled on 10.5" for that AR pistol, as it seemed there were diminishing returns for increased barrel length. However, I wish I had sacrificed just a little more performance to get an 8" barrel. A friend has an 8" 9mm AR, and that 2.5" difference makes it balance better, and of course it's just that much more compact. I'd run some calculations for your preferred round, and try to balance size/weight savings v. performance, and find a compromise that works for you. ___________________________________________ "He was never hindered by any dogma, except the Constitution." - Ty Ross speaking of his grandfather General Barry Goldwater "War is the remedy that our enemies have chosen, and I say let us give them all they want." - William Tecumseh Sherman | |||
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No way 16". 10.5" of those choices, but I'd want a 4"-8" ideally and a can. 8-8.5 would be a solid option with a standard 7" length rail if someone makes that length “People have to really suffer before they can risk doing what they love.” –Chuck Palahnuik Be harder to kill: https://preparefit.ck.page | |||
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I know you've been talking 10mm for at least a couple years (since the cheap Rainier uppers from 2 years back at least), but why not a 357 Sig or .40? Purely for giggles as i have been thinking of a glock mag lowered 357 Sig myself. Either way, 10mm ar will complement that 220 Legion nicely. A Perpetual Disappointment... | |||
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| Raised Hands Surround Us Three Nails To Protect Us |
Because I can’t afford a Mp5 clone in 10mm. And yes that stripped lower I bought years ago is what I will be using as it has done great on my 9mm. I just really like 10mm. Have tons of Ammo and components. I got rid of my 220 10mm for a Glock 20SF and money to finally build the gun. I have had the need to trim the herd or trade around for guns I will actually utilize. The 220 10mm was too heavy for my woods gun with diminished capacity so I reluctantly went with the 20SF. This AR will pair nicely with the 20SF as it shares mags. ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | |||
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Member |
how much research have you putted into this build ?? 10mm can be a m@therf#cker of a round to get to cycle reliably. Going GLF lower ? | |||
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| Raised Hands Surround Us Three Nails To Protect Us |
Only for about 2 years. I have a New Frontier Armory lower on the way. ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | |||
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Telecom Ronin |
Looking at the V by the " website the sweet spot seems at 12" Looking forward to a report | |||
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| You're going to feel a little pressure... |
I would love to see a complete parts list, once it's done. If, that is, you don't mind someone cribbing off of your experience  I really want to build one. Bruce "The designer of the gun had clearly not been instructed to beat about the bush. 'Make it evil,' he'd been told. 'Make it totally clear that this gun has a right end and a wrong end. Make it totally clear to anyone standing at the wrong end that things are going badly for them. If that means sticking all sort of spikes and prongs and blackened bits all over it then so be it. This is not a gun for hanging over the fireplace or sticking in the umbrella stand, it is a gun for going out and making people miserable with." -Douglas Adams “It is just as difficult and dangerous to try to free a people that wants to remain servile as it is to try to enslave a people that wants to remain free." -Niccolo Machiavelli The trouble with fighting for human freedom is that one spends most of one's time defending scoundrels. For it is against scoundrels that oppressive laws are first aimed, and oppression must be stopped at the beginning if it is to be stopped at all. -Mencken | |||
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| Raised Hands Surround Us Three Nails To Protect Us |
Plans have now been put on hold again as I don’t even want to guess what the emergency appendectomy I had to have last night is going to cost. But planning for: New Frontier Stripped Lower (ordered yesterday) Rainer slick side upper (have had for years) 10.5” Brownells Stainless barrel SB Tactical SBA3 Brace XH buffer and Wolff XP spring or KVP 10.5 tungsten buffer Magpul midlength handguard with YHM folding front sight base. KVP Linear Comp New Frontier BCG Colt LPK if I can find one or a Red Barn Armory LPK with LaRue trigger. ———————————————— The world's not perfect, but it's not that bad. If we got each other, and that's all we have. I will be your brother, and I'll hold your hand. You should know I'll be there for you! | |||
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Sorry to hear about the trip to the hospital, but glad you're on the mend. Since I never answered the original question, my 9mm is on an 11" barrel. Seems to balance well for me and is compact enough without being too short. Feels like about a 9" 5.56 gun since barrel doesn't have the threaded on feed ramps. A Perpetual Disappointment... | |||
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| Armed and Gregarious |
Wow, very sorry to hear about that, and I hope the recovery is quick, and the bill is small. When you do this, please let me know whether this actually makes a difference in sound at the shooter's ear. I've been debating getting one of these. ___________________________________________ "He was never hindered by any dogma, except the Constitution." - Ty Ross speaking of his grandfather General Barry Goldwater "War is the remedy that our enemies have chosen, and I say let us give them all they want." - William Tecumseh Sherman | |||
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