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Discussion in 'AR 15 Forum' started by AaronW, Feb 15, 2017.
Unfortunately I'm finding better deals on 1-7 than 1-8.
Do you not think there is a reason for that? 1:8 offers the best variance in stablizing bullet weights. you should also look for one chambered in .223 Wylde. The .223 Wylde chambering was designed to provide equal support for .223 Remington and 5.56 NATO so that there is no loss in accuracy or velocity when shooting either caliber in its opposite chambering, IE 5.56 cartridge in a .223 chamber, or vice versa.
1-7 will shoot a 55 grain bullet just fine. I wouldn't want to try anything lighter than that though. I believe standard issue m4 carbine military barrels are 1-7 and they shoot 55 grain projectiles, unless they've got a SPR like the MK1 Mod 0 rifle or up then they're shooting the MK262 Mod1 which is a 77 grain OTM projectile.
Yeah, there is nothing wrong with 1:7, I didn't mean to come across so biased. My wife's defensive carbine is in a 1:7 twist, but she never shoots anything but PMC, American Eagle, and Wolf 55 grain cartridges through it. My rifle, on the other hand, I can load anything up to 77 grain down to 35 grain. But I am reloader so I like that about it. It all depends on what you are going to shoot through it.
I'm starting to think I should spend 500 on a quality upper. Dear Lord this gun thing can get expensive...
A friend of my son has offered to buy one of my AR's. I am going to sell the latest one I built. It is the one that has that $189 upper and I put it on one of the New Frontier polymer lowers. I figure that I have $389 in it, the guy has offered $600 tentatively. When/if I do actually sell it, I am going to put whatever I get for it into a new upper for my last build. I haven't exactly decided what caliber, but it won't be 5.56.
Eventually I'll get to non 5.56 models but I think this will be a 223 Wylde.
Depending on the intent of the rifle, $500 bucks can be spent easily on just the barrel, trust me I know.
Ok, what about this one guys?
I like the mlok handguard. 1/7 223 wylde is good too. I'd take the BCG and charging handle from my DPMS Oracle, along with the lower and slap this on it. Then down the road fill that upper back out.
Its not chrome lined but that isn't one of my key points really.
Looks like a fair deal to me. I'm not sure why a chromed lined barrel would be needed if the whole thing is stainless steel, do you intend to put a couple of million rounds through it?
God I hope so.
My Colt has a 1-7 twist, and shoots Winchester 45gr White Box ammo just fine. Maybe not as well as a Remington 700, but ok for varmints and target at 100yd. Close to 1moa.
I have 1/7, 1/8 and 1/9 twist rifles and I can tell you my experiences...None of my 1/9 rifles will shoot 62's and above very good, 69-75's are not even worth shooting....6-8 inches at 100 yards....my 1/7 rifles shoot 55 grain stuff about the same...my 1/9 Mossberg MVP bolt gun shoots 40-55's at sub MOA...62-75's 3-5 MOA.....I personally have not seen any 1/7 twist shoot 55's or less worth a crap....and I have yet to see any 1/9 rifle shoot 62's or higher worth a crap.....I handload also and have tried them all...I have used a lot of PSA parts and never any issues...IMO get a 1/7 for 62's and above....1/9 for 55 and below and 1/8 for a compromise....the rifle will tell you what it likes...