In order to participate in the GunBroker Member forums, you must be logged in with your GunBroker.com account. Click the sign-in button at the top right of the forums page to get connected.
Sub MoA SBR Advice
AzAfshin
Member Posts: 2,985 ✭✭
So now that we've taken a collective sigh of relief with our new POTUS taking office, here's an actual gun related post [:D]
I just completed a plain vanilla AR build and needless to say, I'm thinking of the next build. I would like to skip assembling the upper, so I'd like to buy a complete short barrel upper (with BCG and CH if possible, but not critical). Was just wondering if an SBR AR can be made that can shoot sub-MoA at 100 yards. Bonus if it costs less than $1000 for the upper, but again, not critical.
So anyone know of complete SBR uppers that can hold sub-MoA?
I just completed a plain vanilla AR build and needless to say, I'm thinking of the next build. I would like to skip assembling the upper, so I'd like to buy a complete short barrel upper (with BCG and CH if possible, but not critical). Was just wondering if an SBR AR can be made that can shoot sub-MoA at 100 yards. Bonus if it costs less than $1000 for the upper, but again, not critical.
So anyone know of complete SBR uppers that can hold sub-MoA?
Comments
It sounds like competing POUs. If the purpose of the SBR is portability, especially in a vehicle to take out threats then you don't need sub-moa. If you are looking for sub MOA for target or competition why then need for an SBR? I am sure there are barrels out there that offer this, but in a 5.56 barrel length, twist and bullet weight are going to impact velocity and accuracy.
You're absolutely correct that SBR and accuracy are somewhat opposite ends of the issue. That's why I'm asking you guys if there is a way to have a nice light rifle that I can carry easily and still be able to reach out a few hundred yards with some accuracy.
Stiff short barrels are capable of accuracy, but the trade off is weight. I don't want a 10 pound SBR. I wanted a compact portable AR15 that I can put in my truck and bring into action quickly.
I have confidence that I could easily drop any aloha snackbars at 100 yards and in with my SBR, it is easy to hit steel very quickly at that range with the Aimpoint.[:)]
Wilson Combat
I purchased a Wilson Combat 20" upper with BCG, they are expensive and very well built for sure. It shoots around the 1-1/2 inch mark with several different ammo brands and handloads. Once I got over the shock of spending twice what a PSA upper cost for very little gain in accuracy I just accept it is NOT a bullseye match grade rifle. To be fair I have not ran a loading ladder with it or tried IMR 4895 powder, my go-to powder for .223 accuracy.
Not sure how to make a SBR perform well but with the experts in the AR platform doing all sorts of magic stuff I am sure it can be done.
With a stocked lower and magnifying optic, I wouldn't guarantee MOA but it wouldn't be far off.
I think it should be doable. Why would I care about MoA and SBR? Cause I want both. Why not? I just can't find any of the major guys that quote an MoA on their SBR uppers, so I was hoping to tap into you guys' experience and see if such a thing exists, then I want one. If it doesn't exist, then I'll go with a middle of the road SBR and know that it's to be shot at a pistol range and not a rifle range.
I don't believe it exists. But that doesn't mean you need to restrict yourself to pistol ranges.
4 moa means an 8" circle is within possibility at 200 yds. That's hardly "pistol range".
But then again, you might be a walking bench rest, so YMMV.
Oh, and a nice 'crisp' trigger would help in this endeavor.
Sub MOA coupled with a short barrel in 5.56/223 is difficult enough (much easier to do in something like 300 Blackout) but then you added wanting something LIGHT. Light AND accurate rarely go hand in hand.
But then again, you might be a walking bench rest, so YMMV.
Oh, and a nice 'crisp' trigger would help in this endeavor.
I was thinking .300 blk would be better too since 5.56 needs more length maximum it's velocity.