This is a very nice U.S. Military Underwood M1 Carbine made in 1943 during WW2. This carbine is all correct with its original Underwood barrel dated "2-43". The flat bolt, operating handle, trigger housing, trigger, sear, hammer, and stock set are all original WW2 production Underwood parts. As you can see from the pictures, this M1 carbine is a very good-looking weapon with the U.S. arsenal parkerized finish in very good condition overall. The gun shows a consistent level of wear on all of the exposed parts and a very uniform patina. The bore in this carbine is excellent, mirror-bright with sharp rifling throughout the barrel. There is no pitting, erosion, or imperfections visible. The original "I" cut stock set is really exceptional on this Standard Products M1 Carbine.
Based on the serial number 2845623, This Underwood M1 Carbine was manufactured within the second major production block assigned to the Underwood Elliott Fisher Company. (12-43 above the barrel)
Manufacturer: Underwood Elliott Fisher Company
Serial Number Range: 2,352,520 – 2,912,519 (Second block)
Estimated Production Date: Mid-to-late 1943
Production Context: Underwood was a typewriter manufacturer contracted to produce M1 Carbines for the U.S. Army during World War II. 
Key Information for Identification:
Location: The serial number is stamped on the rear of the receiver behind the rear sight.
Barrel Markings: The barrel is stamped "UNDERWOOD" followed by a date  1943.
Refurbishment: Many Underwood carbines were refurbished after WWII, often featuring later-style parts like adjustable rear sights, bayonet lugs, and rotary safeties. 
All of the stock hardware is intact and in great shape, including the recoil plate and steel buttplate. The action on this M1 Carbine is slick and precise, locking into battery smoothly and without any slop in the bolt. All of the controls are in perfect working order, including the push safety and later adjustible rear sight. This Underwood M1 Carbine should be an excellent shooter in addition to being an excellent investment. If you have been looking for a good-looking, early WW2 M1 Carbine for your collection, here is your chance.

Rifle Caliber: .30 Carbine
Manufacturer: Underwood
Model: M1 Carbine
Serial Number: 2845623
Barrel Length: 18 Inches
Condition: VG
Metal Condition: VG
Wood Condition: VG
Bore Condition: Bright with Sharp Rifling
Action: Semi-automatic
Manufacture Date: 1943