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There seem to be two popular barrel lengths in pistol/SBR uppers in 5.56, either 10.5 or 11.5 inches.
Pros/cons to each?
Last edited by DakotaDeer; 09/02/19.
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In Michigan, the shorter barrel would be better. Our convoluted laws say that anything over 26in in fireable configuration cannot be carried under a MI CPL. Depending on buffer tube, etc., the longer barrel may make it overlength. Not that I carry an AR pistol with me. I really have no use for one.
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Along those lines, I believe an AR pistol 26" or more overall makes a vertical front grip legal. Under 26" has to be an SBR to put on a vertical front grip.
Something like that anyways.
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There seem to be two popular barrel lengths in pistol/SBR uppers in 5.56, either 10.5 or 11.5 inches.
Pros/cons to each?
50% longer dwell time with the 11.5” over the 10.5”. 10.5”s are fine, however the 11.5 is better with regards to longevity and reliability long term.
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I can’t remember, but seems USASOC or SOCOM did testing on different barrel lengths for SBR/Suppressed stuff, and I can’t remember what the verdict was for 10-12.5”, but someone may.
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11.5”, and it wasn’t SOCOM.
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Campfire 'Bwana
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Along those lines, I believe an AR pistol 26" or more overall makes a vertical front grip legal. Under 26" has to be an SBR to put on a vertical front grip.
Something like that anyways. A pistol with a vertical fore grip becomes and AOW (Any other weapon). It requires a stamp, but it's not the $200.00 for an SBR or suppressor. Since an SBR is not a pistol, adding a fore grip does not require an additional stamp. Additionally in Colorado, in order to be defined as a "pistol" for concealed carry, the weapon must have a barrel less than 12" in length. There's ambiguity around if this does, or does not include the muzzle device, so that can be one factor in favor of a 10.5" barrel here.
Last edited by antelope_sniper; 09/02/19.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
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11.5 for longevity, but I really think the 12.5 with a mini can is really nice
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A pistol with a vertical fore grip becomes and AOW (Any other weapon). It requires a stamp, but it's not the $200.00 for an SBR or suppressor.
Since an SBR is not a pistol, adding a fore grip does not require an additional stamp.
Correct about the SBR, but maybe not the whole story about an AOW. In the past, a total length more than 26" did allow a VFG, because it was a "firearm" and not a pistol. The ATF recently decided something different about that but I haven't kept up on the details, so do the research if going down that path. On the AOW tax stamp - it is still $200 to create an AOW same as a suppressor or SBR, but subsequent transfers are $5. People often forget about that initial $200 stamp when talking about AOW transfers. If you buy one already complete from a dealer, it should only be $5, although you still have to go through the paperwork and wait time.
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Campfire 'Bwana
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A pistol with a vertical fore grip becomes and AOW (Any other weapon). It requires a stamp, but it's not the $200.00 for an SBR or suppressor.
Since an SBR is not a pistol, adding a fore grip does not require an additional stamp.
Correct about the SBR, but maybe not the whole story about an AOW. In the past, a total length more than 26" did allow a VFG, because it was a "firearm" and not a pistol. The ATF recently decided something different about that but I haven't kept up on the details, so do the research if going down that path. On the AOW tax stamp - it is still $200 to create an AOW same as a suppressor or SBR, but subsequent transfers are $5. People often forget about that initial $200 stamp when talking about AOW transfers. If you buy one already complete from a dealer, it should only be $5, although you still have to go through the paperwork and wait time. Thanks for the clarification. But, that's also the reason someone invented the slanted forward grip.....
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
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Campfire 'Bwana
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In Michigan, the shorter barrel would be better. Our convoluted laws say that anything over 26in in fireable configuration cannot be carried under a MI CPL. Depending on buffer tube, etc., the longer barrel may make it overlength. Not that I carry an AR pistol with me. I really have no use for one. What is un-fireable configuration? Laughing.
Slaves get what they need. Free men get what they want. Rehabilitation is way overrated. Orwell wasn't wrong. GOA member disappointed NRA member 24HCF SEARCH
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Intended euphemism aside, which/what was it? I had no recollection if it was just the army, another service, or a joint SOF endeavor.
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Intended euphemism aside, which/what was it? I had no recollection if it was just the army, another service, or a joint SOF endeavor. A joint project between Crane and a DOJ partner. Regardless an 11.5” is a better choice than 10.5”, especially if suppressing.
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Thanks. Personally, I’m also fine with 12.5, especially if it’s even better? Use issues always seem compounded with the really short stuff, anyway.
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In Michigan, the shorter barrel would be better. Our convoluted laws say that anything over 26in in fireable configuration cannot be carried under a MI CPL. Depending on buffer tube, etc., the longer barrel may make it overlength. Not that I carry an AR pistol with me. I really have no use for one. What is un-fireable configuration? Laughing. Laughing? Think of a Kel-tec Sub 2000 folded is un-fireable. It's under 26in folded but since it's un-fireable, it isn't a pistol.
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Campfire 'Bwana
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In Michigan, the shorter barrel would be better. Our convoluted laws say that anything over 26in in fireable configuration cannot be carried under a MI CPL. Depending on buffer tube, etc., the longer barrel may make it overlength. Not that I carry an AR pistol with me. I really have no use for one. What is un-fireable configuration? Laughing. Laughing? Think of a Kel-tec Sub 2000 folded is un-fireable. It's under 26in folded but since it's un-fireable, it isn't a pistol. You can make an AR that folds as well.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.
You cannot over estimate the unimportance of nearly everything. John Maxwell
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You can make an AR that folds as well. I'm aware of that. I was just giving one common example.
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Anyone using the SIG 8.5” piston upper?
Or the PWS 11.85” piston upper?
Both in 5.56.
How’s that working out?
Last edited by David_Walter; 09/05/19.
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Thanks. Personally, I’m also fine with 12.5, especially if it’s even better? Use issues always seem compounded with the really short stuff, anyway. Yep, 12.5’s are probably the best all around choice. Good velocity, size, and can be used with the Surefire Mini SOCOM cans.
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