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  • Transferable Machine Guns
  • Stemple 76/45 Takedown Guns (STG)
  • Stemple Takedown Gun (STG) U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Case - lower tier
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Spade Grip Setup Show on U9 Heavy Bolt Setup
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Shown with folding AR stock setup
  • Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Case - lower tier Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Spade Grip Setup Show on U9 Heavy Bolt Setup Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor Shown with folding AR stock setup Shown with folding AR stock setup Shown with folding AR stock setup Shown with folding AR stock setup Shown with folding AR stock setup Shown with folding AR stock setup Shown with folding AR stock setup Shown with folding AR stock setup Shown with folding AR stock setup

    Stemple Takedown Gun (STG) U45/U9SF Package with Suppressor

    MSRP:
    Now: $14,500.00
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    • Overview
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    Product Description

    U45/U9 Package

    $14,500 with suppressor

    $13,850 without suppressor

    2020 Update: We've recently switched to NiB One™ plating (silver/gray color) on the lower assembly, magazine housing, and barrel jacket. This high performance finish adds greater durability and ease of cleaning compared to the black anodized finish.

    This package is a subgunner's dream.  All in one box you've got a complete package to shoot 45ACP with Grease Gun mags or 9mm with Suomi drums and one suppressor to work with both calibers.  Switching calibers simply requires changing the bolt, barrel, and magazine housing.  It features a simple, smooth-running blow-back system.   With the addition of a hydraulic buffer, these are the most smooth, controllable, and versatile subguns on the transferable market.  It's so smooth due to the weight, layout, and action; you can actually watch your target being hit through a 4x scope while shooting long bursts.   This setup utilizes AR pattern stocks, AR pattern grips, and multiple picatinny mount options for maximum versatility.  This gun is also ideal for use with a suppressor. The extra bolt weight drastically slows the initial bolt blow-back thereby significantly reducing port noise common in open-bolt / blow-back SMGs.

    The package includes the following parts: 

    • Stemple (STG) U45 Machine Gun with Low-Recoil Bolt System: Variable weight bolt system with hydraulic buffer that allows shooters to customize performance with a variety of different ammo as well as the 45 to 9mm caliber conversion.

    • NiB One™ plating is added to the lower assembly, magazine housing, and barrel jacket. This high performance finish look silver / gray in color and adds greater durability and ease of cleaning compared to an anodized finish.

    • 2 x M3 Grease Gun Magazines

    • U9 Converison (bolt, barrel, magazine housing)

    • 2 x Suomi Drums

    • 1 x Suomi Magazine

    • Custom Hard Case

    • 45 ACP suppressor for use with both 45 ACP and 9mm setups

    • foregrip, multi-tool, & barrel locknut/muzzle cap tool

      (sights not included)

     

    U45 Data

    Select-Fire with Quick-Change Barrel

    Ultra-smooth adjustable-weight bolt system with hydraulic buffering for slow M3 Grease-Gun-like shooting performance 

    Magazine: M3 Grease Gun (unmodified) 30 rds

    Nickel Boron Plated Bolt and Mag Housing

    Weight: 9.3 lbs

    Cycle Rate: 500-750 adjustable system with hydraulic buffer, Select Fire (safe-semi-full)

    Stainless Steel Barrel

    Barrel Length: 10.35" threaded .578-28, to use common suppressor

     

    U9 (SF) Conversion Data:

    Select-Fire with Quick-Change Barrel

    Ultra-smooth adjustable-weight bolt system with hydraulic buffering 

    Magazine: Suomi KP31 25 rd, 36 rd, 50 rd magazines and 40 rd & 70 rd drums

    Nickel Boron Plated Bolt and Mag Housing

    Weight: 9.3 lbs

    Cycle Rate: 550-800 adjustable 

    Stainless Steel Barrel

    Barrel Length: 10.35" threaded .578-28 to use common suppressor

     

     

     

    Transferable

    In 2003, the original inventor, John Stemple collaborated with BRP Corp to make new and replacement parts for the Stemple 76/45 receivers he manufactured prior to the 1986 cutoff.  From this came a series of compatible drop-on parts for the unmodified/transferable Stemple 76/45 receivers known as Stemple Takedown Gun (STG) setups.  Since nothing is welded or hand fitted to these receivers, changing setups and replacing parts is fast and easy.  These are the most finely built and smooth running sub-machine guns on the transferable market.  We build them for performance and durability, stock plenty of high-quality spare parts, and provide excellent service.  There is only a limited number of these pre-1986 registered/transferable machine guns remaining, so get one while they last.

    They are ‘new’

    Well, the receivers are nearly 30 years old but the Stemple Takedown Gun (STG) setups are complete new parts packages installed on unused pre-1986 transferable Stemple 76/45 machine gun receivers.

    Simple / Durable Design

    Our guns are very difficult to break and very easy to fix. They are simple blow-back guns and very smooth-running in long full-auto bursts. Some of our customers who own the 9mm guns liken the full-auto performance to a laser beam.

    Customizable

    By using Picatinny rails (MIL-STD-1913) for sights and hand guards, shooters can add a variety of accessories and optics.   The configurations with the Adjustable Bolt System use common AR pattern stocks and grips with hundreds of options currently available. 

    Easy-to-Replace Parts

    There’s nothing on these guns that can’t be easily replaced.  We designed this system to protect the registered receiver from any wear during use.  The only parts that can wear can be easily replaced without the need to ship the gun back and forth.

    Available Service

    If you need service, we are here to support our products.

    Shoot Cheap Ammo

    We typically just shoot steel-cased ammo. Our milled steel trunions easily deal with potential wear issues from any type of ammo.

    Can't Get Too Hot

    These are ideal for machine-gun shoots. The low-pressure pistol ammo cannot create enough heat in the barrel to cause a malfunction or damage the gun.  There's no gas system to clog, and the open-bolt system negates any cook-off risk.

    Options and Add-Ons:

    • Switch to Law Tactical Folding Stock Setup: + $150
    • Add Spade Grip Kit: $420
    • Add M31 Slant Shroud with Bottom Rail and 9mm 12.875” Barrel:  $260
    • Add M31 Compensated Shroud with Bottom Rail and 9mm 12.875” Barrel:  $260
    • Add 16” 9mm Barrel Threaded 1/2-28: $120

    Spade Grip Setups Also Available:  https://www.brpguns.com/stemple-stg-spade-grip-kit/

    Linkup with our other customers via our Stemple STG Facebook Group:  https://www.facebook.com/groups/110088872841613/

     

     

    Product Videos

    Videos Hide Videos Show Videos

    • Stemple Shoot 2015

      Stemple Memorial Shoot July 2015 featuring some of the old and...

    • Stemple U45

      Pre-production testing the the U45 setup for the Stemple 76/45...

    • BRP Range Day Oct 2015

      MACHINE GUN FUN!!!! Stemple Subguns, MG42, Vickers MMG

    • Stemple U9 Slow Fire 5 14 2015

      Machine gunner in this video is competitive shooter Emily Nich...

    • First Time Out: Stemple 76/45 - STG 9mm Setup

      A customer set us these videos of his first time shooting his ...

    • Stemple 2017 Shoot

      July 2017 Stemple Shoot

    • Stemple 76/45 - BRP STG U45 Setup

      45acp Tula Steel Cased Ammo EO Tech sight --------------------...

    • STG U9 45 tutorial

      Stemple Takedown Gun U9 / U45 Conversion Tutorial

    Custom Field

    Product Reviews

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    Stemple Takedown Gun (STG)  U45/U9SF Package with Suppressor
    Stemple Takedown Gun (STG) U45/U9SF Package with Suppressor

    13 Reviews Hide Reviews Show Reviews

    • 5
      One of the best shooting machine guns ever

      Posted by JB in Forida on 6th Jul 2020

      I shot the Stemple today. It was as amazing as in the videos that I first saw it in. This is probably the best shooting 9mm machine gun I have ever shot. better than my MP5 and Uzi . It shoots very similarly to my MP40 which I think is one f the best shooting machine guns ever. Thanks again. JB in Forida

    • 5
      Flawless

      Posted by Michael Z. Williamson on 30th Dec 2019

      We own two. They run flawlessly with cheap, reliable ammo. They are very controllable for point of aim and burst duration, easy to clean and maintain, and damned near indestructible. If you want a good shootable gun with excellent support and parts availability, flexible format, and easy configuration--and why don't you?--this is it.

    • 5
      If you own one - this is it

      Posted by David G on 23rd Jun 2019

      I own an M60 E6 and an FN FNC full auto, but I shoot my U9/45 more than both. I had two range days this past weekend and the gun functioned flawlessly. With the 9mm setup I was shooting 3” groups doing full drum mag dumps (71 rounds) - all offhand at 15 yards, which is impressive for me. I’m not the special forces here. It was basically shooting through its own massive hole after the first 15 rounds. The package is well put together and the support from Brian is fast and responsive. I didn’t clean the gun all weekend and put well over 1000 rounds through it with no issues. No jams, no misfeeds - just full auto fun. It eats whatever you throw at it. If I had to own just one full auto gun, this would be it. Parts are readily available from BRP and it’s a ton of fun.

    • 5
      Great Gun

      Posted by Richard on 22nd May 2019

      I took my gun to Scottsdale Gun Club today. I have 2 buddies with birthdays today and tomorrow. I let them shoot it to their heart's content. They LOVED it. I just wanted you to share in the joy. You make a great gun that is really fun to shoot.

    • 5
      Speechless

      Posted by Jim B on 4th Feb 2019

      I finally had time today to go to granite state indoor range to try the new sub gun. I brought 10 x 71rd drums (bought from numrich) 5 loaded with 115gr magtech, Remington, federal, sellor & ballot, and Speer lawman, and the other 5 with 124gr versions of the same. (I had started to buy drums and ammo before I committed to buying the gun and haven’t even tried the two drums that came with it.) I left the recoil system as it came, RF-1, no suppressor, and with the exception of one drum having a weak spring and not feeding the 6th to last round from the drum(bumped drum a bit and then remaining 6 all fed fine), I fired 710 rounds at 25 yards full auto with not a single jam, cough, hiccup, or burp. More accurate on full auto than some 9mm carbines I’ve shot. Smooth cycling, very easy to control. I used my Trijicon ACOG 4xRCO. Last but not least, it was actually very easy on the brass, no dented rims or necks. I’ll have no problem reloading for this gun. No regrets whatsoever, almost wish I’d bought 2

    • 5
      AWESOME! EXCEDED my expectations!

      Posted by Kevin S. on 21st Nov 2018

      I just received possession of my Stemple 76/45 STG Setup. The craftsmanship and quality of the build is impressive! The firing and handling was AWESOME! EXCEDED my expectations ! MY oldest nephew (45yrs), who also appreciates a quality product and a fellow firearm enthusiast, was also praising your product .

    • 5
      U9/45

      Posted by Double Tap Firearms on 21st Nov 2018

      Great gun, love the way it breaks down comes with a case and all components. Like the fact that it shoots steel case cheap ammo. Brian is great to deal with and if you have any problems he takes care of it. Also it is a brand new gun just on a registered receiver. Great Value if you're buying machine gun. The only problem I see right now I have is I don't have enough money to buy more :-). David

    • 5
      U9/45

      Posted by Brad Newton on 21st Nov 2018

      The U45, as advertised, is a very smooth running SMG due to its sturdy build weight, hydraulic buffer, and heavily constructed and proven grease gun magazine that inserts and removes as if it was originally made for the gun. I am an avid re-loader and this gun will handle light loads to heavy loads and function reliably. The gun has functioned flawlessly even after hundreds of fired rounds leaving a very dirty chamber and bolt. The AR pattern stock setup allows me to use a RRA Elite Operator CAR stock on my U45. Brian @ BRP states his guns will shoot steel ammo like brass case, and I have to say I have shot several thousand steel case 45 rounds with no malfunctions or broken extractors. A great feature, especially if you are buying your 45 ammo. In summary, this gun is very well constructed, functions well, and is easily taken apart & assembled. I'm waiting for someone like X-Products or Beta to supply a reliable 50 or 100 round drum for this SMG. If you are looking for a great shooter this gun should be strongly considered. Thanks Brian for an exceptional and affordable 45 SMG.

    • 5
      U9/45

      Posted by Roger on 21st Nov 2018

      Met with Brian May 2018. Got a tour of the company and shop. Then to the range for a few hours of shooting. The gun sells itself. Bought it that day. It is still with the SOT, a friend of mine, and we had it out at the range today. I've fired an array of automatic weapons and this is my favorite. You should have seen his 13 year old daughter accurately placing the rounds on target. The gun is awesome. Thanks Brian.

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