Stemple 76/45 Takedown Gun (STG) M1A1/1928 setup

Product Description

2022 Update:  For 2022 we are introducing the new Internally Threaded Pattern (ITP) assemblies of the Stemple 76/45 receivers to offer a more streamlined and versatile system with enhanced compatibility among setups.  Per this previously approved method of attaching the trunion, guns setup with STG1928 parts are fully compatible with the other Stemple 76/45 compatible parts in the Universal line: U9, U45, U9SF, & Stemple Suomi.

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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.

The Stemple STG M1A1/1928 is assembled from an original Stemple 76/45 machine gun receiver, newly made Stemple-compatible parts, and several original Thompson components.  The Stemple 76/45 machine gun receiver inserts into a long receiver shroud.  This holds the receiver in position with lower assembly and aligns the sear opening in the Stemple receiver with the new sear in the original Thompson fire control group.  The bolt guide, bolt, barrel, mainspring, buffer, and guide rod assembly is a removable unit inserted through the front of the Stemple receiver.  These main wear parts are easily repaired or replaced if necessary.  

The overall appearance of the STG M1A1/1928 is like that of an original M1A1, with the exception that the rectangular adapter housing for the Stemple 76/45 receiver tube is 3/16 in. taller and 3/4 in. longer than the original M1A1. 

Parts and Accessories Included With Each Gun: 1 x 50 rd drum, 1 x choice of 20rd or 30rd mag, multi tool, wrench, choice of vertical or horizontal front grip, both Picatinny rear sight & standard "L" sight, choice of barrel:  M1 pattern barrel and the new compensated ones threaded 5/8-24, and custom hard case with high density foam.  

STG M1A1/1928 Data

Caliber: .45 acp

Barrel Length: 10.5 in. M1 Pattern Barrel and 8 in. Threaded Barrel (.578-28)

Magazine: Unmodified USGI M1A1/1928 Mags and Drums

Rear Sight: Original M1A1 or "L" for 1928, and Picatinny Rail included

Forend: vertical (reproduction) or horizontal (original)

Cycle Rate: 750 rpm (Full-Auto/Safe only... no semi-auto function)

Weight:  11 lbs (unloaded)

Simple / DurableDesign:  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. 

Easy-to-Replace Parts:
There's nothing on these guns that cant 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 45ACP round cannot create enough heat in the barrel to damage the gun.  There's no gas system to clog, and the open-bolt system negates any cook-off risk. 

Great Investment:  Just ask someone who bought a transferable machine gun 10-20 years ago how they feel about their purchase.  Most of them will say they wish they bought more.  Also ask someone who sold a machine gun 10-20 year ago how they feel about the sale.  Most of them will say they wish they never sold it.  Since the ban on new registrations in 1986, the finite supply of transferable machine guns availble for individuals in the US has steadily appreciated in value.

We put a lot of thought into preserving the Long-Term Value of these guns.  They are designed for maximum durability and serviceability.  The worst thing that can happen to a transferable machine gun is a damaged or broken receiver.  The parts that can wear out in these STG configurations are not the registered parts.  Further, the moving and impacted parts in the system are overbuilt for their function and easy to replace if necessary:  minimal effort,  zero fitting, and no need to send the gun to a specialist for repair.   We stock plenty of spare parts and provide free service.  These guns will outlast anything on the transferable market

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Trademark Info:

1) This product is a new parts package installed on a registered/transferable Stemple 76/45 machinegun receiver.

2) This product is comprised of a registered/transferable Stemple 76/45 machinegun receiver, parts made by BRP CORP, and authentic Thompson submachinegun parts.

3) This product is not an authentic/original Thompson submachinegun.

4) This product is not made or endorsed by the current or former owners of the THOMPSON trademark.