I'm a new member to the forum. Could I impose on members of this forum for any information you could give me regarding the IBM M1 carbine I recently purchased ? I'm trying to figure out meanings of parts markings (manufacturers ? Armorer's marks ?), value of the weapon, and any information as to it's combat history if possible. The stock is pretty banged up, but no cracks or chunks missing. The weapon itself is in excellent operating condition, good bore, about 60-70% finish, fires well and shoots accurately to 500 feet (longest range I've tried). I'll try to post photos later. This is what I've got so far ...
STOCK - Low wood, oval cut for sling, walnut with stamped 'crossed cannons in a square' cartouche, accompanied by letters GHD and UEH on left side of stock, with MU stamped in wood by sling.
RECEIVER - marked IBM Corp (PLUS SERIAL # 3847284) behind/under rear sight.
RECEIVER STOCK BLOCK – stamped “A”
BARREL - Marked IBM CORPORATION, no date
BARREL BAND – Stamped “AI”
FRONT SIGHT - stamped “U”
REAR SIGHT - adjustable, milled not stamped
TRIGGER HOUSING - Stamped “SG”
BOLT – Stamped ‘10” & “1”
SEAR - Stamped “GE”
TRIGGER - Stamped “U”
HAMMER – Stamped “HH” OR “H1” OR “MH” ( It's worn and difficult to make out )
MAGAZINE CATCH (MODIFIED WITH SUPPORT ARM FOR 30 RND MAGS) STAMPED “M”
MAGAZINE – Stamped “SW” (STAR WATCH CASE ?)
SLIDE with “STRAIGHT FACE”, Stamped “UW” & “S” OR “5”
I believe this carbine has been “ARSENALIZED” at least once, with the following obsolete parts replaced : Hammer; Hammer spring (2.125" 22 coils to 2.616" 26.5 coils); Sear; Magazine Catch (replaced with one that would hold the 30 round magazine); Magazine Catch Retainer Plungers w/ Safety Plunger; Operating Slide Stop, Spring, and Pin; Rear Sight (replaced flip type with adjustable type); Safety (replaced push button with rotary); Barrel Band (replaced with band with bayonet lug).
Very grateful for any further information ! Dr MikeInformation
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