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Reply With QuoteBoth my XCRs are mini uppers with standard length gas systems. One is a pistol with a 12" barrel and the other has a 16" barrel. Borth work fine. I've never fired or held a standard length XCR so I have nothing to compare the weight or balance.
How many people here are using Mini-sized uppers w/standard size barrel lengths & gas systems?
How many people are using 14.7" barrels w/pinned flash hiders?
Just wondering how common it is.
I've been waiting so long for any news about new developments from Robinson (like everyone else) and I am wondering whether to upgrade my XCR now or continue waiting to see if Robinson is going to come out with new stuff like improved barrels or a new upper design or finally get official word if the SF configuration as shown in pictures before is a go or no go.
Both my XCRs are mini uppers with standard length gas systems. One is a pistol with a 12" barrel and the other has a 16" barrel. Borth work fine. I've never fired or held a standard length XCR so I have nothing to compare the weight or balance.
I'd love to see pics of the 12" if you have 'em. My first SBR would be a Mini with an 11" or 12" barrel with the short gas system (gas block moved back to the shortened forearm). All they have to do is make it.Originally Posted by the tick
Got one ad hoc SF configuration. It is part of my patrol kit at work.
Does having the gas tube exposed make it fit more loose/wiggle more?
Martens, what caliber do you use for your patrol XCR?
I've been trying to decide which I ought to go for first... the shortened 14.7" barrel or the Mini upper. Which would make a more noticeable difference?
I run a .223. I don't notice any wiggle--it may be there, I just have never noticed. If you already have a full size upper, the 14.7 inch barrel is the bigger benefit as it removes the weight from farther out.
Just got a pinned 14.7 for my full size. Does change the balance quite a bit. I didn't weigh anything, but it felt to me like the barrel alone weighs about the same as the stripped aluminum upper.
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My SBR'd XCR has an 11" light profile barrel on a standard rifle length upper. I wonder how that same barrel would look on a pistol upper? Kind of like a "micro SF design"?
MadDog
WWJWD (What Would John Wayne Do)
IF you want to send me your barrel, I'd be happy to mock it up on my micro upper. I'd even put a few rounds down range to make sure it works as it should.
you'd need the bolt carrier and gas tube from him too.
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