$40.00 – $575.00
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Back in stock and shipping now as of April 11, 2024
The barrel is 7″ from closed chamber to muzzle, the way every barrel I make is measured, not 7″ from the front of the barrel extension to the muzzle. From the suppressor mounting point to the muzzle is exactly the same length as the mp5sd barrel or the cans would not be interchangeable. These are for MPX, MPX “K” and MPX PCC (all NFA rules apply) only, not compatible with copperhead or copperhead “K”.
Custom laser engraving available on barrels by request for an additional charge
Gen-2 MPX-type replacement Drop-in Barrel complete with gas block assembly for use with MP5SD style integral suppressors. The suppressors are available elsewhere from B&T, capital armory, or even used old swr, etc. I will only be offering the barrel. Please be conscience of the internal diameter of your hand guard and the OD ofsuppressor you plan to use as all hand guards may not have enough internal clearance. My factory hand guard and midwest worked fine with the swr can (1.575″ diameter), the isler hand guard will not.
These cannot be used without the proper suppressor securely attached! They must only be fired with the proper suppressor securely attached! They must only be fired with the proper suppressor securely attached!
-1:10 Riffling
-7” length, closed chamber to muzzle like every barrel is measured
-nitride finish
-18×1 Thread
For barrels purchased with adjustable plug;
As of the second week of August 2024 I have gone back to the old marking due to customer feedback;
0=zero gas
1=.040
2=.0469
3.052
4=.0525
This was suggested to me as less complicated and more intuitive so I have changed it back. Sorry for any inconvenience
Five adjustment positions;
0.) wide open, .0625
1.).0400
2.).0469
3.).0520
no marking= 0 gas
This adjusts with a simple turn of the plug. With either an allen wrench or adjustable/box wrench. When the number is at the 12:00 position that is the port size it is on
Due to variances in cans, platforms and ammunition it may be necessary to potentially modify the assembly for optimal results with your suppressor, ammunition choice and actual firearm by adding additional relief holes. The MPX requires further forward venting than a typical blow back or roller system due to the short gas piston system
Different setups require different amounts of gas depending on the actual gun itself, spring rate, suppressor generated back pressure and ammunition. This plug allows you the ability to “tune” your setup with the last amount of gas necessary to function, reducing gas feedback to the shooter. Your best method for tuning is to start on the largest port working backwards until the gun does not function then go up one click. You may need to adjust to more gas as the gun gets dirtier through the cycle.There is no one setting I can suggest for your setup with all the variables, it will require some testing by the end user.The plug insert is a consumable part and will erode over time as it is subjected to the hot chamber gasses which act as a type of plasma cutter. It will try to match the size of the port to the plug and erode the steel. this slows and still works as a funnel until eventually working all the way through. Erosion depends heavily on ammunition choice and suppression back pressure. There is not an alloy that I can machine that will prevent this
If you have questions or wish to share information and have Facebook you can join this group HERE
I do not accept returns on barrels due to liability and cannot sell them as new once they are shipped out and returned. If there is a function issue obviously I will make that right if it is due to my product. Please, please, please make sure the barrel length and configuration is the proper one for your platform. I want people to be happy with their purchase and get the proper barrel for their platform in the length that is best suited to their purpose. If unsure please contact me first and I can possibly help with identification and input.
There is no additional cost for shipping it is included in the price of all listed parts. Insurance is optional and separate, there is a box at the bottom of the checkout page where you can accept or opt out of the insurance. ILWT cannot be responsible for lost or mishandled shipments once they are dropped to USPS. If you checkout without requesting insurance your item will be sent with only the amount afforded by USPS for your particular shipment which may not be anything for small items and up to $100.00 for some priority packages. Insurance will not let me file a claim if it is showing delivered so please make sure you put in the proper address or desire signature confirmation for an extra fee. By placing the order you acknowledge and accept this.
We use the tightest of tolerances and highest quality control.
All barrels and gas-blocks are proudly made in the USA and engraved ILWT.
All NFA Rules apply
*As with any barrel swap, have a qualified gunsmith check head-spacing before firing.
DISCLAIMER: “MPX” is a federally registered trademark of SIG SAUER, Inc. and is one of many trademarks owned by SIG SAUER, Inc.
Neither ILWT, LLC nor this website are affiliated in any manner with, or otherwise endorsed by, SIG SAUER, Inc.
The use of “MPX” on this page is merely to advertise the sale of MPX type barrels, parts, or components.
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Additional information
Weight | 14 oz |
---|---|
Configuration | Barrel with open plug, Barrel with short adjustable plug, Add Ion Bond |
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Returns and Exchanges
There are a few important things to keep in mind when returning a product you purchased.You can return unwanted items by post within 7 working days of receipt of your goods.Barrels may only be returned if they are unused and marked as returnable in description due to insurance and liability restrictions. If used or labelled as non returnable then repair/replacement only apply for function issues. .
- Only items that have been produced by us.Items manufactured by others will need to be addressed by the manufacturer
- Please ensure that the item you are returning is repackaged with all elements.
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