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First Shots with the M&P Barrel

Randy spent the weekend in the shop taking our prototype blank M&P barrel and turning it into a fully functioning barrel.

Here’s how it started out.

We’ve altered much of the geometry on the barrel’s locking surfaces to improve lock time ad other critical aspects of the gun’s function.


Setup in the mill for final cutting on the lock work.


Reaming the chamber on the lathe


Randy hard at work over the lathe on Sunday


It’s just so…..green


The top profile installed into Randy’s M&P


The muzzle crown


The feed ramp is so shiny it induced a serious case of A.D.D. in me

Randy and I took out his M&P 9L today to fire the first rounds. We’re proud to say that the gun ran flawlessly with 3 different kinds of ammo, no feeding or ejection problems of any sort, in fact, we had absolutely no trouble of any kind.

The new barrel is the first of 3 prototypes that we’ll be running in our M&P’s for the next few months. Meanwhile, Bar-Sto will be gearing up to produce these barrels themselves. We don’t have a time line for availability of these barrels from Bar-Sto as of yet, but they are in the works.

Scott

17 Responses to “First Shots with the M&P Barrel”

  1. Lane says:

    Count me in for one for my M&P9FS.

  2. Chris says:

    - Will the barrel be made for 40 S&W?
    – Would the barrel fit standard Full Size M&P’s?
    – Do you have some addition info on the benefits of the barrel over the stock barrel?

  3. scott says:

    The first run of barrels will be made for the 9mm, but the rest of the common calibers will follow shortly.

    We’re going to have barrels made for both the Pro/L guns and the Full size. Barrels for the compact guns will come along as well.

    The Apex/Bar-Sto will have superior accuracy to the factory barrel as well as manage recoil differently which will change the recoil characteristics of the gun by making recoil softer.

    Scott

  4. Greg says:

    will the 9mm barrel favor 115-124 grain bullets or like the 147s better?

  5. scott says:

    So far, we’re not certain what bullet weight the barrel will prefer. Once we have the Bar-Sto made prototypes, we’ll know or certain.

  6. Charles says:

    Hopefully a conversion .40 to 9mm for the full size will be made as well. Hint, hint

  7. Kevin says:

    Bring an extra one to the USPSA match next weekend and I will help you with your testing. Let me know so that I can find a Kydex holster.

  8. Tae says:

    Just wondering if the prospect of including threaded barrels and match grade barrels were and option?????

  9. scott says:

    Yes, Bar-Sto will produce a threaded version for this too. The first run of barrels will be Match Target barrels with Semi Drop-in following shortly after.

  10. John B says:

    Do you have any more info on your accuracy testing and possibly an update on availablity from Bar-Sto?

  11. scott says:

    John, We don’t have any more info available as of yet, but we will soon. We’re waiting for the official Bar-Sto prototypes to be made for final testing.

  12. Bryan Mossey says:

    Any way to get in on a pre order list to have this barrel installed in my Full Size 9mm along with FSS and sights?

  13. mr.gunn says:

    is there any talk of the price range??

  14. Joe says:

    Scott,

    Any new developments on the M&P 9L Bar Sto barrels? Have you got an idea on the price? Can we pre order?

  15. Mike says:

    Is it possible to find out the twist rate of this barrel?

  16. John says:

    Any updates? Thanks!

  17. Don Beeler says:

    First off let me say I’m a big proponent of anything APEX…my 3 M&P’s can attest to this. I’m trying to understand the increase in accuracy of a new barrel for an M&P though. It’s not exactly a 1911 that demands fitting of most anything you put into it. But with the barrel of an M&P you just take the factory one out and drop the new one in if I’m understanding this correctly. So could you briefly explain to us how your new barrel is much more accurate. I’m not doubting you…just would like to understand how it works. I won’t hesitate to get one for my 9MM’s and my .45 if you can help me understand. Thanks for your time.

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