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Posted: 4/22/2017 12:17:14 PM EDT
[#1]
I don't have personal experience yet but I've read and been told that the 14's usually require atleast 3 1/4 dram shells to run reliably. So if you cut it down to 12 you may need to run 3 3/4 dram but i of course don't know this for a fact. I know on my Vepr 12, I have to shoot 3 3/4 dram shells for it to run reliably. On that gun with a muzzle brake it shoots pretty smooth, I can't imagine 3 3/4 shells being very much fun to shoot on a 12" inertia shotgun though.
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Posted: 4/22/2017 12:30:40 PM EDT
[#2]
I have a factory SBS and it has eaten everything we've thrown at it, including cheap Walmart shit loads.
Something to consider is that the SBS M4's enter the US as full length barrels with the sights back at the short position, and Benelli USA cuts them down to be SBS barrels. Which is why they are not threaded for chokes and you can see a slight finish variation on the muzzle. |
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Posted: 4/22/2017 12:33:53 PM EDT
[#3]
Quote HistoryQuoted:
... Something to consider is that the SBS M4's enter the US as full length barrels with the sights back at the short position, and Benelli USA cuts them down to be SBS barrels. Which is why they are not threaded for chokes and you can see a slight finish variation on the muzzle. 
I don't even like tube guns.. and now I kind'a want. 
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Posted: 4/22/2017 2:27:12 PM EDT
[#4]
Quote HistoryQuoted:
I have a factory SBS and it has eaten everything we've thrown at it, including cheap Walmart shit loads. https://www.AR15.Com/media/mediaFiles/18357/IMG-0600-169467.jpg Something to consider is that the SBS M4's enter the US as full length barrels with the sights back at the short position, and Benelli USA cuts them down to be SBS barrels. Which is why they are not threaded for chokes and you can see a slight finish variation on the muzzle. |
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Posted: 4/23/2017 2:52:04 PM EDT
[#5]
Ymmv but in my experience anything that cuts weight (including cutting the barrel shorter) only helps the inertia drive. I have had luck with nearly all loads including bulk pack stuff. I think the 14" guns get a tough reputation with light loads in part from all the things that get hung on and add weight- side shell carriers, extended mags, flashlights, etc. the inertia system just isn't designed for that. That sort of use (and need) led to the m4.
10" barrel, chopped stock for 30" overall. 3+1+1 (if ghost loaded). Glock 19 shown as universal reference on size. This started as a police trade in 14". 
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Posted: 4/23/2017 3:36:06 PM EDT
[#6]
Quote HistoryQuoted:
Ymmv but in my experience anything that cuts weight (including cutting the barrel shorter) only helps the inertia drive. I have had luck with nearly all loads including bulk pack stuff. I think the 14" guns get a tough reputation with light loads in part from all the things that get hung on and add weight- side shell carriers, extended mags, flashlights, etc. the inertia system just isn't designed for that. That sort of use (and need) led to the m4. 10" barrel, chopped stock for 30" overall. 3+1+1 (if ghost loaded). Glock 19 shown as universal reference on size. This started as a police trade in 14". http://i283.photobucket.com/albums/kk317/mfore/IMG_3264_zps908ppjsv.jpg 
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Posted: 4/23/2017 9:28:53 PM EDT
[#7]
Very nice Mfore, I think mine will end up very similar to yours. Time to file the form 1.
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Posted: 4/28/2017 7:12:51 AM EDT
[#8]
Quote HistoryQuoted:
I don't have personal experience yet but I've read and been told that the 14's usually require atleast 3 1/4 dram shells to run reliably. So if you cut it down to 12 you may need to run 3 3/4 dram but i of course don't know this for a fact. .....(snip) Less barrel=Less gun weight=Potential for more felt recoil=The inertia system may work even better |
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Posted: 4/28/2017 7:18:13 AM EDT
[#9]
Quote HistoryQuoted:
Interesting trivia - you've just made me smarter. On a Saturday. Dammit.
I don't even like tube guns.. and now I kind'a want. Quote HistoryQuoted:
Quoted:
... Something to consider is that the SBS M4's enter the US as full length barrels with the sights back at the short position, and Benelli USA cuts them down to be SBS barrels. Which is why they are not threaded for chokes and you can see a slight finish variation on the muzzle.
I don't even like tube guns.. and now I kind'a want. 
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Posted: 5/12/2017 3:27:23 AM EDT
[#10]
Quote HistoryQuoted:
10" barrel, chopped stock for 30" overall. 3+1+1 (if ghost loaded). Glock 19 shown as universal reference on size. This started as a police trade in 14". http://i283.photobucket.com/albums/kk317/mfore/IMG_3264_zps908ppjsv.jpg I freaking love Benellis and their non-union |
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Posted: 5/30/2017 11:48:10 PM EDT
[#11]
wow, blast from the past... for my first SBS, I wanted to do a supershort M1 based on some pics floating around the net. I researched and couldn't find much and all the smiths I knew at the time weren't very eager to try it out. It was called the M1 Hammer and I thought the place that made them was in AZ but long gone by the time I was researching it, around 2010-2011.
few old threads I could find still online, there wasn't much more information available back in 2010 although there did seem to be more pics floating around. http://www.hkpro.com/forum/hk-long-gun-talk/185104-benelli-m1-light-mount-who-makes.html http://www.uzitalk.com/forums/showthread.php?13477-M1-Entry-Benelli-help |
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Posted: 5/31/2017 1:11:38 AM EDT
[#12]
Thanks for links! They talk about the Hammer or M1K from C3 or Class 3 Supplies, possibly in PA, now apparently gone.
Here's a very nice pic from the link:  Attached File |
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Posted: 7/11/2017 10:46:46 PM EDT
[#13]
Not an M1S90, but this M2 is cut to 12.75"/33.75" OAL.
Main reason for 12.75" was to deal with a good place to cut the rib.  DSC_1715-M2 Rib by FredMan, on Flickr
 DSC_1680-M2 Short Long by FredMan, on Flickr
 DSC_1688-M2 SBS by FredMan, on Flickr
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Posted: 10/30/2017 12:32:26 PM EDT
[#14]
Quote HistoryQuoted:
I have a factory SBS and it has eaten everything we've thrown at it, including cheap Walmart shit loads. https://www.AR15.Com/media/mediaFiles/18357/IMG-0600-169467.jpg Something to consider is that the SBS M4's enter the US as full length barrels with the sights back at the short position, and Benelli USA cuts them down to be SBS barrels. Which is why they are not threaded for chokes and you can see a slight finish variation on the muzzle. |
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Posted: 2/6/2018 1:59:56 AM EDT
[#15]
There is an M1 locally that is missing the rear ghost ring sight and the front sight is missing off the post. Asking price is $650. It's like an 18.5 inch barrel with a short extension.
@Guncat Any suggestions on chopping this bugger and what type of sights could be installed on the barrel? I am guessing the mag tube is 3 rounds to the barrel band and then a 2 shot extsension. Is there a +1 and how long would my barrel be if cut flush to the +1? Is that the 14 inch entry model? |
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Posted: 2/6/2018 8:29:52 AM EDT
[#16]
Quote HistoryQuoted:
There is an M1 locally that is missing the rear ghost ring sight and the front sight is missing off the post. Asking price is $650. It's like an 18.5 inch barrel with a short extension. @Guncat Any suggestions on chopping this bugger and what type of sights could be installed on the barrel? I am guessing the mag tube is 3 rounds to the barrel band and then a 2 shot extsension. Is there a +1 and how long would my barrel be if cut flush to the +1? Is that the 14 inch entry model? The factory tube holds 3 rounds (2 3/4” shells). Nordic makes a +1 extension tube . IIRC they have lengths listed on their website that will help you guesstimate the total length. |
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Posted: 2/6/2018 12:37:26 PM EDT
[#17]
Thank you sir!
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Posted: 2/6/2018 1:33:58 PM EDT
[#18]
Quote HistoryQuoted: Is that the MI optic mount? What do you think of the aimpoint on the M4? I have been debating that mount or the other one and a RMR. |
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Posted: 2/7/2018 2:21:00 AM EDT
[#19]
So when is Benelli going to get on the bandwagon and build a 14" firearm that we can put a brace on?
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Posted: 2/7/2018 2:44:59 AM EDT
[#20]
Quote HistoryQuoted:
So when is Benelli going to get on the bandwagon and build a 14" firearm that we can put a brace on? |
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Posted: 2/7/2018 11:37:43 AM EDT
[#21]
Quote HistoryQuoted:
So when is Benelli going to get on the bandwagon and build a 14" firearm that we can put a brace on? |
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Posted: 2/9/2018 4:48:42 PM EDT
[#22]
Dammit. Already posted.
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Posted: 11/23/2018 9:10:20 PM EDT
[#23]
@FredMan
Did you have to do anything other than the chop? Springs, 922r,etc? How does it run? |
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Posted: 11/23/2018 10:19:35 PM EDT
[#24]
Quote HistoryQuoted:
@FredMan Did you have to do anything other than the chop? Springs, 922r,etc? How does it run? As for 922r, no issues. Everything is stock as it it came from Italy, except that I chopped the barrel. And it runs like a raped ape. I've put it through it's paces several times at the skeet range, going through 200-300 shells, and no problems. |
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Posted: 11/27/2018 4:55:00 PM EDT
[#25]
Anyone know of any front sight alternatives? I'd like to go with a 10 or 11" barrel but the rib limits that. Anyone know of a bead or something that could be attached to a cut down rifle sight or ghost ring barrel that would work well?
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Posted: 11/27/2018 7:08:12 PM EDT
[#26]
Quote HistoryQuoted:
Anyone know of any front sight alternatives? I'd like to go with a 10 or 11" barrel but the rib limits that. Anyone know of a bead or something that could be attached to a cut down rifle sight or ghost ring barrel that would work well?  DSC_1711-M2 Rib by FredMan, on Flickr
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Posted: 8/7/2019 10:48:50 PM EDT
[#27]
You are correct. The M1 Hammer was a limited build (I think under 50 guns total) from Class Three Supply in Hermitage, PA. If I remember correctly the head gunsmith there was a man named Al Dewald?(been awhile not sure of spelling) The magazine tube caps were a custom machined design, and barely cleared the bottom of the barrel. You could get 3 2 3/4 shells in the tube, 1 in the chamber and ghost load 1 for a total of 5. They ran fast and kicked like mule, so to speak. I got the chance to shoot 1 at KCR back in 2001 during a demo, and it was an experience. I put 15 rnds of 00 buck and rifled slug through one. The last 5 rounds we did a "speed run" and I was able to get the last round off before the first shell hit the ground. I have a picture somewhere where it shows the third shell coming out of the chamber, with two still in the air. It was an impressive gun. Class Three went out of business several years ago after the owner got himself into trouble (not sure of the backstory). The business changed hands, and eventually went under.
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Posted: 8/8/2019 12:39:28 AM EDT
[#28]
^ Thanks!!
I am very much seeking one of these, so if anyone sees one available, I would really appreciate an IM. |
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Posted: 8/11/2019 9:08:35 PM EDT
[#29]
Nevermind
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