U.S. M1 Carbine
Winchester
Serial Number: 5551855

Bavaria Forestry Police - Swaben
LandesGendarmerieKommando Steiermark (LGK ST)

Background

Returned to the U.S. Army by the government of Austria. Provided to the Civilian Marksmanship Program (CMP), by the U.S. Army. Purchased from CMP.

Barrel Group

Barrel type I W (Winchester) undated
Front Sight type I N (Niedner Rifle Corp. of Dowagiac, MI for various primary contractors)
Barrel Band/Swivel type IA unmarked
Slide type III W (Winchester)

Last four digits of receiver serial number on slide arm.

Stock Group

Stock type II Winchester Ordnance inspector marks on right side of stock
Handguard type III W (Winchester)
Buttplate   Underwood

Last four digits of receiver serial number in slingwell, not present on handguard.

Receiver Group

Receiver type IB Winchester
Rear Sight type I S on left side, no other markings
Operating Spring Tunnel Housing integral  
Recoil Plate type III W (Winchester)

Deep hole for the operating spring was originally drilled very close to side and bottom of receiver. Hole is drilled all the way out the back of the receiver.
Part of a spring tube has been inset into the rear of the hole and staked in place. This was a U.S. Ordnance approved repair for salvaging receivers.

Bolt Group

Bolt flat W (Winchester)
Ejector type II  
Extractor type II U (Underwood)
Extractor Plunger type II  
Firing Pin type III N-N (Nolan Machinery Company of Rome, NY for National Postal Meter)

Trigger Group

Trigger Housing type III W (Winchester)
Trigger   W (Winchester)
Sear type I W (Winchester)
Hammer type III W on left side, S on right side (Winchester)
Trigger Housing Pin type II  
Safety type IV rotary S encircled
Magazine Catch type IIA SW (Unk subcontractor for Winchester)