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


Product Description

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 20rd mag, multi tool, wrench, vertical or horizontal foregrip, both picatinny rear sight & standard "L" sight, both barrels 10" M1A1 pattern barrel & 8" threaded barrel .578x28, and custom hard case

45 ACP Suppressor: $425


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 / 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. 


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 cause a malfunction or damage the gun.  There's no gas system to clog, and the open-bolt system negates any cook-off risk. 


Product Videos

STG 1928 Suppressed (02:14)
Stemple 76/45 in STG 1928 configuration shoot suppressed. The extra barrel is threaded for the suppressor and the original USGI Lyman sight is simply switched out with our picatinny rail adapter.
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