Description
The Thompson 1927A1 45 ACP is a rifle chambered in 45 ACP.

Thompson 1927A1 45 ACP Overview
The Thompson 1927A1 is a semi-automatic reproduction of the legendary Tommy Gun, built by Auto-Ordnance (part of Kahr Firearms Group) with the classic finned barrel, walnut stock and vertical or horizontal foregrip. Before heading to the field or range, take time to set the rifle up for your build and your hunting or shooting style. A quality scope in good rings, a comfortable sling and a set of shooting sticks or a bipod will do more for accuracy than almost anything else.
Zero the rifle with the exact load you plan to use, confirm the zero at the distances you expect to shoot, and practice from field positions so you are ready when the moment comes.
Design and Features
It fires from a closed bolt in semi-automatic only, accepts stick magazines and (on some models) drum magazines, and has a blued steel receiver and a 16.5-inch barrel with Cutts compensator on many versions. Choosing the right ammunition matters as much as choosing the rifle. Try several loads from reputable makers, shoot groups from a solid rest, and settle on the one your rifle prefers before hunting season. A good sling, rings that match your scope and a few rounds of practice from field positions will turn an accurate rifle into an effective hunting tool.
Handling in the Field
It is a piece of American history and a blast to shoot.
Action and Trigger
The trigger is heavy but predictable, typical of the original design.
Sights and Optics
Mount the optic of your choice with quality rings or a mount, and zero it with the load you plan to use.
The 45 ACP Cartridge
The 45 ACP has served American shooters for more than a century. Its big, slower bullet hits hard with a recoil impulse many describe as a firm push.
Setup and Accessories
Start with a quality optic and solid rings or a mount, then add a sling for carrying and a bipod or shooting bag for steady rests. Test a few loads for accuracy and settle on the one your rifle likes best. A hard case protects your investment on the way to the range or the field.
Ownership Tips
Read the owner’s manual fully before your first range trip, and keep the manual, box, and receipt with your records for warranty service and resale. Unload the rifle and confirm it is empty before cleaning. Field-strip it according to the owner’s manual, scrub the bore with a brush and patches, and wipe carbon from the bolt face and chamber. Apply a light coat of quality gun oil to the contact points, and wipe the exterior with a lightly oiled cloth before storage.
Product Notes
Specifications are based on the distributor listing for this model and Thompson Center’s published information for the 1927A1 line. Contact us if you need to confirm a detail before ordering.
State Laws
Magazine capacity limits, feature restrictions, and transfer rules vary by state and locality. Check your local laws before ordering, and ask your receiving dealer if you are unsure whether this configuration is legal where you live.
Specifications
- Caliber: 45 ACP
- Type: Semi-Auto Carbine
- UPC: 602686214032
Before You Buy
Federal law requires firearms bought online to ship to a licensed dealer, and buyers must be 18 or older to buy a rifle from a dealer. We ship to the FFL dealer of your choice, and your dealer handles the background check and transfer.
Who It Is For
The Thompson 1927A1 45 ACP is a great fit for hunters and target shooters who want an accurate, dependable rifle from Thompson Center.
Buy the Thompson 1927A1 45 ACP at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Thompson 1927A1 45 ACP online and ship it to your local FFL dealer, or browse our full selection of firearms for more rifles. For factory details, visit Thompson Center.






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