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Ok - so I picked up a MPX pistol 8" and ordered a SB-Tactical brace (two to three weeks backordered), also a Romeo5 red dot.

At the range yesterday, it ran great with the Gen 2 mags...major problems with the Gen 1 mags I picked up so I am letting them sit stuffed with 30rds for a while.

Really want to put a vertical grip on it, but I am still not clear on the vertical grip making it AOW?

The MPX should have its own section with various topics IMO...my eyes are bleeding from reading or trying to read this whole thread..........


Shooter are you ready!.....................Standby!.......
 
Posts: 52 | Registered: June 10, 2012Reply With QuoteReport This Post
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Yea.. u can get away with a flater style "hand stop" but a vertical grip on a pistol will make it a AOW. 5 bucks and a 6 month wait for tax stamp. Might as well make it a SBR and get the grip and a real stock for all the hassel it would be for just the grip.


Guy
Titleiiarms
Dilliner, PA
 
Posts: 25 | Registered: May 26, 2015Reply With QuoteReport This Post
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Thanks Guy, nice store you have there and some great products.

What is causing me some confusion on this as an example is the case US v. Fix and some other cases that seemed to muddy the water for me.

http://www.boiseshooters.com/index.php?topic=14257.0


with a rifled bore is not a AOW as I read it also.

https://www.atf.gov/firearms/f...-act-definitions-any


Shooter are you ready!.....................Standby!.......
 
Posts: 52 | Registered: June 10, 2012Reply With QuoteReport This Post
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Yea, Stuff all over the place. And all over the internet.. I go by this document. You see many MPX, EVO style pistols sold with "hand protectors" on the rails but you don't see them come with vertical grips. So when is a forward stop too high and its a vertical grip ? Beats me Smile

https://www.atf.gov/firearms/d...l-fore-grip-handgun/

"ATF has long held that by installing a vertical fore grip on a handgun, the handgun is no longer designed to be held and fired by the use of a single hand. Therefore, if individuals install a vertical fore grip on a handgun, they are “making” a firearm requiring registration with ATF’s NFA Branch. Making an unregistered “AOW” is punishable by a fine and 10 years’
imprisonment. Additionally, possession of an unregistered “AOW” is also punishable by fine and 10 years’ imprisonment. "


Guy
Titleiiarms
Dilliner, PA
 
Posts: 25 | Registered: May 26, 2015Reply With QuoteReport This Post
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Well who needs a vertical grip anyhow! No problem with 10 years, but I am not paying any dam fine Razz

Thank you Guy for posting that, I had not seen that open letter before.


Shooter are you ready!.....................Standby!.......
 
Posts: 52 | Registered: June 10, 2012Reply With QuoteReport This Post
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After checking into the barrels offered by "In Lead We Trust", I cancelled my order with Sig and bought the one from "In Lead We Trust" last week. The price difference was well worth it. $480.00 vs. $377,83 and you don't even get a gas block from Sig!!. Thanks for the tip on this post. Thank God I cancelled in time. The only question I have is why they are charging tax? They are not located in my state.
 
Posts: 14 | Registered: January 01, 2016Reply With QuoteReport This Post
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Maybe someone will challenge the ATF on the vertical grip open letter and win just like SB Tactical did on the brace redesigning pistol into an SBR.

Wow - congrats and thanks to SB Tactical....


Shooter are you ready!.....................Standby!.......
 
Posts: 52 | Registered: June 10, 2012Reply With QuoteReport This Post
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quote:
Maybe someone will challenge the ATF on the vertical grip open letter and win just like SB Tactical did on the brace redesigning pistol into an SBR.

Wow - congrats and thanks to SB Tactical....


Im not really sure that it was such a big win. So if u use a "Brace" against your shoulder once, its no longer the ATFs position that u now made a NFA item but its STILL against the law to shoulder it. What have we gained ??? All it does is say they have no way of proving the brace was ever shouldered and therefore can't say the gun is now a NFA item forever. One muddy letter is now two muddy letters that are still useless.


Guy
Titleiiarms
Dilliner, PA
 
Posts: 25 | Registered: May 26, 2015Reply With QuoteReport This Post
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I am trying to find an actual copy of the letter and I think we are up to three on this.

Ok - splains some of it here:

https://www.nraila.org/article...n-stabilizing-braces


Shooter are you ready!.....................Standby!.......
 
Posts: 52 | Registered: June 10, 2012Reply With QuoteReport This Post
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Makes me wonder if the shockwave brace will be under attack soon then since it doesnt have the straps and all.

Its all still clear as mud. Jeez.

I still want an SB Tactical for my MPX. Where are yall buyin them? Everywhere is backordered or out of stock.



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While you may be able to get away with bottom shelf whiskey, stay the hell away from bottom shelf tequila. - FishOn
 
Posts: 7306 | Location: Alpine, Ut | Registered: February 17, 2010Reply With QuoteReport This Post
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quote:
Originally posted by PorterN:
Makes me wonder if the shockwave brace will be under attack soon then since it doesnt have the straps and all.

Its all still clear as mud. Jeez.

I still want an SB Tactical for my MPX. Where are yall buyin them? Everywhere is backordered or out of stock.


I got mine off the SBT website - I signed up for in-stock-notices and was able to get one ordered during the short period that thye had them.





This is where my signature goes.
 
Posts: 984 | Location: Cary, NC | Registered: June 04, 2015Reply With QuoteReport This Post
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I received my 4.5" MPX barrel from Sig and it did come with a gas block and flash hider attached, ready for install
 
Posts: 36 | Registered: September 10, 2014Reply With QuoteReport This Post
Be Well and Keep Your Rifle Clean
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quote:
Originally posted by dwd1985:
quote:
Originally posted by PorterN:
Makes me wonder if the shockwave brace will be under attack soon then since it doesnt have the straps and all.

Its all still clear as mud. Jeez.

I still want an SB Tactical for my MPX. Where are yall buyin them? Everywhere is backordered or out of stock.


Currently in stock here: http://vizardsgunsandammo.com/...b-mpx-psb-3-pos-blk/


I think that there are some for sale in the classifieds. It might be worth a few minutes to check.
Good luck.




"..AGAINST ALL ENEMIES, FOREIGN AND DOMESTIC,...SO HELP ME GOD."


 
Posts: 21434 | Location: Czechtown,Minnesota | Registered: October 17, 2005Reply With QuoteReport This Post
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quote:
Originally posted by Rangerone:
I received my 4.5" MPX barrel from Sig and it did come with a gas block and flash hider attached, ready for install

Mine came with the gas block and flash hider as well. Excited about the block but not excited about taking off another one of these flash hiders. The 8in was a PITA.
It is really neat to see how sig designed these. About 3min with a t25 driver and you have a totally different firearm. Hopefully sig keeps up the good work and continues to make new accessories.
 
Posts: 12 | Registered: July 01, 2016Reply With QuoteReport This Post
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What did you do to remove the flash hider? I am not looking forward to that process.

Some have reported to have soaked it in hot water for 2 to 24 hours (by that time, it no longer hot water) to help break up the Rocksett so it would be easier to wrench off.
 
Posts: 36 | Registered: September 10, 2014Reply With QuoteReport This Post
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I used a lot of heat and even more profanity and then it finally came off.
 
Posts: 12 | Registered: July 01, 2016Reply With QuoteReport This Post
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Picture of JJexp
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quote:
Originally posted by nreno88:
I used a lot of heat and even more profanity and then it finally came off.


And then he remembered to twist in the proper direction! Razz
 
Posts: 451 | Location: Hatboro, PA | Registered: May 25, 2016Reply With QuoteReport This Post
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quote:
Originally posted by Rangerone:
What did you do to remove the flash hider? I am not looking forward to that process.

Some have reported to have soaked it in hot water for 2 to 24 hours (by that time, it no longer hot water) to help break up the Rocksett so it would be easier to wrench off.


If the flash hider will not come off with about 20ft-lbs of force, then assume it is mounted with Rocksett.
Process:
1. Soak in hot water until water reaches room temp. Try to remove flash hider, if no luck then step 2.
2. Apply heat from a heat gun set to 600F. During heat gun treatment you will start to see a little smoke, that is the Rocksett breaking down, then attempt removal - should start to turn with some resistance then unscrews easily. For MPX, REMEMBER its a LH mount (righty-tighty; lefty-loosie does not work). Wear gloves, the barrel will be HOT.
3. Clean the barrel treads of any residue and mount your new muzzle device.
 
Posts: 39 | Registered: August 23, 2013Reply With QuoteReport This Post
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Thanks for the info. With a 4.5" barrel, not much room on barrel to grab or mount into a vise (block) to hold, only leaves the gas block area for holding.

I will try with wrench and hand, then try soaking to "loosen" the possible Rocksett and as last resort, application of heat gun to further break down the bonds. Will use liberal amounts of words at each step in the process Mad
 
Posts: 36 | Registered: September 10, 2014Reply With QuoteReport This Post
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Just announced, coming soon (4-6 weeks)

MPX/MCX Radian Raptor/AXTS Charging Handle


 
Posts: 146 | Location: MN | Registered: January 07, 2016Reply With QuoteReport This Post
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