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12/6/2019 7:27:02 PM
Posted: 11/23/2013 5:26:46 PM EST
Trying to see if I can procure or fabricate a tube that will fit the horizontal length of the SB15 brace without too much excess length, or one without too little length.

All of the pictures I see of buffer tubes wearing this brace have a sizable gap between the forward-most part of the brace and the end plate.

If you could, please measure the total horizontal length of your brace. Here's a pic below explaining what I'm looking for:





Link Posted: 11/23/2013 5:43:05 PM EST
Originally Posted By FortyFiveAutomatic:
Trying to see if I can procure or fabricate a tube that will fit the horizontal length of the SB15 brace without too much excess length, or one without too little length.

All of the pictures I see of buffer tubes wearing this brace have a sizable gap between the forward-most part of the brace and the end plate.

If you could, please measure the total horizontal length of your brace. Here's a pic below explaining what I'm looking for:

http://i.imgur.com/FWVvS4b.jpg

http://i.imgur.com/I2cQ19x.jpg

View Quote


Assume you're wanting to shoulder fire it like most everybody else. If so, it's already stupid short length of pull, why would you want it any shorter?

- OS
Link Posted: 11/23/2013 5:45:29 PM EST
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Originally Posted By OhShoot:


Assume you're wanting to shoulder fire it like most everybody else. If so, it's already stupid short length of pull, why would you want it any shorter?

- OS
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Originally Posted By OhShoot:
Originally Posted By FortyFiveAutomatic:
Trying to see if I can procure or fabricate a tube that will fit the horizontal length of the SB15 brace without too much excess length, or one without too little length.

All of the pictures I see of buffer tubes wearing this brace have a sizable gap between the forward-most part of the brace and the end plate.

If you could, please measure the total horizontal length of your brace. Here's a pic below explaining what I'm looking for:

http://i.imgur.com/FWVvS4b.jpg

http://i.imgur.com/I2cQ19x.jpg



Assume you're wanting to shoulder fire it like most everybody else. If so, it's already stupid short length of pull, why would you want it any shorter?

- OS
More for aesthetics than wanting to shoulder-fire it, actually, so I don't care about LOP
Link Posted: 11/23/2013 6:22:09 PM EST
[Last Edit: 11/23/2013 6:24:59 PM EST by OhShoot]
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Originally Posted By FortyFiveAutomatic:
More for aesthetics than wanting to shoulder-fire it, actually, so I don't care about LOP
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Originally Posted By FortyFiveAutomatic:
Originally Posted By OhShoot:
Originally Posted By FortyFiveAutomatic:
Trying to see if I can procure or fabricate a tube that will fit the horizontal length of the SB15 brace without too much excess length, or one without too little length.

All of the pictures I see of buffer tubes wearing this brace have a sizable gap between the forward-most part of the brace and the end plate.

If you could, please measure the total horizontal length of your brace. Here's a pic below explaining what I'm looking for:

http://i.imgur.com/FWVvS4b.jpg

http://i.imgur.com/I2cQ19x.jpg



Assume you're wanting to shoulder fire it like most everybody else. If so, it's already stupid short length of pull, why would you want it any shorter?

- OS
More for aesthetics than wanting to shoulder-fire it, actually, so I don't care about LOP


Don't understand "aesthetics" unless you just want to put it in the corner and look at it. :)

If you're not gonna shoulder fire it, then you're gonna put it on forearm. In which case if shorter it's gonna be more toward the skinny part of your wrist rather than stay back around meaty part of forearm.

At any rate there ain't nothing shorter than a standard pistol tube out there (which is 'bout same as carbine length) except for the super short ones that not many folks have had much luck with, and wouldn't hold the thing worth a hoot either.

- OS
Link Posted: 11/23/2013 6:26:32 PM EST
[Last Edit: 11/23/2013 6:30:15 PM EST by AlexBosco]
Answer: 6.5 inches exactly.

edit: And most of the standard buffer tubes will be .25 inches short of that length.

2nd edit: The length your asking for above is actually 6 and 7/8.
Link Posted: 11/23/2013 7:27:11 PM EST
it will fit over most pistol buffer tubes, most of the ones I've held in person are set back an inch or two for comfort
Link Posted: 11/23/2013 8:54:58 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By AlexBosco:
Answer: 6.5 inches exactly.

edit: And most of the standard buffer tubes will be .25 inches short of that length.

2nd edit: The length your asking for above is actually 6 and 7/8.
View Quote
Thanks Alex.

Also I had no idea that one our own invented this thing; that's freaking awesome!
Link Posted: 11/24/2013 3:40:43 AM EST
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Originally Posted By FortyFiveAutomatic:
Thanks Alex.

Also I had no idea that one our own invented this thing; that's freaking awesome!
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Originally Posted By FortyFiveAutomatic:
Originally Posted By AlexBosco:
Answer: 6.5 inches exactly.

edit: And most of the standard buffer tubes will be .25 inches short of that length.

2nd edit: The length your asking for above is actually 6 and 7/8.
Thanks Alex.

Also I had no idea that one our own invented this thing; that's freaking awesome!


I'm glad you like it!
Link Posted: 11/24/2013 6:52:14 AM EST
Originally Posted By FortyFiveAutomatic:
Trying to see if I can procure or fabricate a tube that will fit the horizontal length of the SB15 brace without too much excess length, or one without too little length.

All of the pictures I see of buffer tubes wearing this brace have a sizable gap between the forward-most part of the brace and the end plate.

If you could, please measure the total horizontal length of your brace. Here's a pic below explaining what I'm looking for:

http://i.imgur.com/FWVvS4b.jpg

http://i.imgur.com/I2cQ19x.jpg

View Quote


Mine doesn't have this gap. Mine is a PWS Enhanced (Primary Weapons Systems) pistol tube.


Link Posted: 11/28/2013 5:51:27 AM EST
[Last Edit: 11/28/2013 5:57:59 AM EST by telemarker]
Got and extra milspec tube and a lathe?
Made my own.



no gap


Link Posted: 11/28/2013 8:20:06 AM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By telemarker:
Got and extra milspec tube and a lathe?
Made my own.
http://farm8.staticflickr.com/7453/11102405675_eb72a5ca97_b.jpg


no gap
http://farm8.staticflickr.com/7393/11079989813_17d7ec2830_c.jpg

View Quote

Awesome! I was thinking about that the other day...Im sure its much easier with a lathe than with a dremel lol
Link Posted: 11/29/2013 5:59:56 AM EST
[Last Edit: 11/29/2013 6:00:09 AM EST by ToledoXJ]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By btbossman:

Awesome! I was thinking about that the other day...Im sure its much easier with a lathe than with a dremel lol
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Originally Posted By btbossman:
Originally Posted By telemarker:
Got and extra milspec tube and a lathe?
Made my own.
http://farm8.staticflickr.com/7453/11102405675_eb72a5ca97_b.jpg


no gap
http://farm8.staticflickr.com/7393/11079989813_17d7ec2830_c.jpg


Awesome! I was thinking about that the other day...Im sure its much easier with a lathe than with a dremel lol


Belt sander or DA with 40 grit will hog off a lot. I cut aluminum picture frames with a carbide sawblade, you can rip aluminum on a table saw. If you're not a shop guy I'd stick with the sander though. Be ready for the heat though.
Link Posted: 12/1/2013 3:47:53 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By telemarker:
Got and extra milspec tube and a lathe?
Made my own.
http://farm8.staticflickr.com/7453/11102405675_eb72a5ca97_b.jpg


no gap
http://farm8.staticflickr.com/7393/11079989813_17d7ec2830_c.jpg

View Quote


I do have an extra milspec tube but no lathe. I just asked a local machine shop how much they'd charge to turn it down, they said $85

Maybe I'll try my hand with a bench grinder and a file.
Link Posted: 12/4/2013 4:19:00 PM EST
[Last Edit: 12/4/2013 4:19:55 PM EST by Brutus2]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By FortyFiveAutomatic:


I do have an extra milspec tube but no lathe. I just asked a local machine shop how much they'd charge to turn it down, they said $85

Maybe I'll try my hand with a bench grinder and a file.
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Originally Posted By FortyFiveAutomatic:
Originally Posted By telemarker:
Got and extra milspec tube and a lathe?
Made my own.
http://farm8.staticflickr.com/7453/11102405675_eb72a5ca97_b.jpg


no gap
http://farm8.staticflickr.com/7393/11079989813_17d7ec2830_c.jpg



I do have an extra milspec tube but no lathe. I just asked a local machine shop how much they'd charge to turn it down, they said $85

Maybe I'll try my hand with a bench grinder and a file.


Holy crap... $85? that could be done in 5-10 minutes in a three jaw chuck. Thinking angle grinder and a belt sander finisher will do just fine.
Link Posted: 12/4/2013 9:21:31 PM EST
Got it done. Used a chop saw

Wrapped it in electrical tape and put the SB15 over it. It was a bitch getting it on, it's solid. Looks just like the one in telemarker's pic above.

10.5" upper coming in tomorrow
Link Posted: 12/5/2013 2:02:53 AM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By FortyFiveAutomatic:
Got it done. Used a chop saw

Wrapped it in electrical tape and put the SB15 over it. It was a bitch getting it on, it's solid. Looks just like the one in telemarker's pic above.

10.5" upper coming in tomorrow
View Quote


Mine was a bear getting it on, too, until I took a hair dryer and heated it up a little.
Link Posted: 12/5/2013 12:01:00 PM EST
I have never seen one in person.......they are rubber, not plastic...correct?

How firm/or not firm(floppy) is the rubber?
Link Posted: 12/5/2013 12:35:18 PM EST
Correct, they are rubber.

The whole assembly is beefy, very firm.
Link Posted: 12/5/2013 1:55:11 PM EST
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Originally Posted By FortyFiveAutomatic:
Correct, they are rubber.

The whole assembly is beefy, very firm.
View Quote


For you guys that shoot them from the shoulder..........

If you feel comfortable shooting it from the shoulder off of the buffer tube, would you still buy one of these?
Link Posted: 12/5/2013 2:06:14 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HK_DUDE:


For you guys that shoot them from the shoulder..........

If you feel comfortable shooting it from the shoulder off of the buffer tube, would you still buy one of these?
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Originally Posted By HK_DUDE:
Originally Posted By FortyFiveAutomatic:
Correct, they are rubber.

The whole assembly is beefy, very firm.


For you guys that shoot them from the shoulder..........

If you feel comfortable shooting it from the shoulder off of the buffer tube, would you still buy one of these?

I would...It makes me feel like the terminator!
Link Posted: 12/5/2013 2:07:47 PM EST
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Originally Posted By btbossman:

I would...It makes me feel like the terminator!
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Originally Posted By btbossman:
Originally Posted By HK_DUDE:
Originally Posted By FortyFiveAutomatic:
Correct, they are rubber.

The whole assembly is beefy, very firm.


For you guys that shoot them from the shoulder..........

If you feel comfortable shooting it from the shoulder off of the buffer tube, would you still buy one of these?

I would...It makes me feel like the terminator!




Well in that case
Link Posted: 12/5/2013 2:18:40 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By HK_DUDE:
I have never seen one in person.......they are rubber, not plastic...correct?

How firm/or not firm(floppy) is the rubber?
View Quote


I just had one delivered today and it is "tire" sidewall firm. Only the extreme thin end of the lower flaps are flexible when not belted. When belted they are as firm as the rest of the brace.
Link Posted: 12/5/2013 2:27:56 PM EST
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Brutus2:


I just had one delivered today and it is "tire" sidewall firm. Only the extreme thin end of the lower flaps are flexible when not belted. When belted they are as firm as the rest of the brace.
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Originally Posted By Brutus2:
Originally Posted By HK_DUDE:
I have never seen one in person.......they are rubber, not plastic...correct?

How firm/or not firm(floppy) is the rubber?


I just had one delivered today and it is "tire" sidewall firm. Only the extreme thin end of the lower flaps are flexible when not belted. When belted they are as firm as the rest of the brace.


Very good description, thank you.
Link Posted: 12/14/2013 7:15:35 PM EST
Finally got all the parts in, it is done.

Link Posted: 12/15/2013 8:51:16 AM EST
something wrong with your safety?

I took a milspec tube to a table grinder and it worked fine. Forget that paying more for a pistol tube when you have spare extension tubes laying around.
Link Posted: 12/15/2013 9:03:36 AM EST
[Last Edit: 12/15/2013 9:05:29 AM EST by FortyFiveAutomatic]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By nickforney:
something wrong with your safety?

I took a milspec tube to a table grinder and it worked fine. Forget that paying more for a pistol tube when you have spare extension tubes laying around.
View Quote


It does look odd in that pic doesn't it? I checked it just now, it seems the Blackhawk selector detent recesses have a good amount of clearance, but it doesn't appear to impair function or safety.

And I agree on your second point, though I would have gotten an RRA pistol tube for $30 if anyone had them in stock. In any case, the Sb15 appears to be designed to snug up against the end plate judging from the way the mold "locks" into the oval-shaped recess of the end plate. An RRA pistol tube (or standard-length buffer tube) enables this.

The gap just looks sloppy to me, and though the LOP is wicked short, it's actually not unnatural to shoulder as long as you're squared up to the target, much like any pistol ar with the same length buffer tube I surmise.
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