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Springfield Armory Post War

Springfield Armory Post War
 
Springfield Armory used these parts for all the post war production.  Only rear sight elevation pinions, windage knobs, gas cylinder locks, gas cylinder plugs, hammers, safeties and 6528287 SA bolt heat lots varied.  All other parts remained the same.

Common Post War Parts

Bullet Guide Stamped with a notch
   Springfield part will have square swage
Op Rod Catch Late
Follower Arm No Bevel 
   Springfield part has beveled lug bottoms
Follower Assembly unmarked
Late Follower Arm Pin
Clip Latch Square Front
Follower Rod Long Fork Riveted
Late Stamped Flat Lower Band
Lower Band Roll Pin
Handguard Clip Stamped
Rear Sight Aperture
Front Sight Screw No Seal
These parts were used throughout Springfield post war production.
S/N 4,200,000 to 6,009,000.
 
 

SA Post War bullet guide swage
sabgswage.jpg

Springfield stamped post war bullet guides have a square swage that holds the timing leg on.  Some late 6 millions have a circle around this square swage.

SA post War follower arm beveled bottom
safabevels.jpg

Springfield follower arms are of the no bevel type.  The lugs the pin goes through are beveled down from the center line to the outside edge.  Most later production lack to forging numbers/letters.

Trigger Housing Parts

Hammer Spring Housing
Hammer Pin
Hammer Spring Plunger

Post War Springfield Hammers

Hammer Springfield C5546008
Used from s/n 4,200,000 to 5,400,000.
 
Hammer Springfield D5546008
Used from s/n 5,400,000 to 6,009,000.

Springfield Trigger Housing Parts

Trigger Housing 6528290 SA
Trigger Guard Stamped Springfield No Milled Hook
Used thoughout post war production 4,200,000 to 6,009,000.
 

Post War SA Safeties

Safety SA_11
Used from 1947 rebuilds into the early 4,200,000 production.
 
Safety SA 11
Used early post War.
 
Safety SA11
Used from s/n 4,200,000 to 6,009,000.
 
Safety U
Used from s/n 4,200,000 to 4,260,000.
 

Post War Gas Cylinder Locks

Gas Cylinder Lock High Hump
These were used throughout most of Springfield's post war production.  Started from s/n  4,240,000 to 6,009,000.
 
Gas Cylinder Lock Hardened Marked M Straight Front
These were mixed with the WWII type in the s/n 4,200,000 to 4,300,000 range.
 
Gas Cylinder Lock WWII Type Beveled Front
These were mixed used with the M lock s/n 4,200,000 to 4,300,000 range.

Gas Cylinder Lock Screws

Gas Cylinder Lock Screw Cross Slot Marked O
Used from s/n 4,200,000 to 5,800,000.
 
Gas Cylinder Lock Screw Cross Slot Marked P and Hex
Used from s/n 5,79,000 to 6,009,000.
 
Gas Cylinder Lock Screw Cross Slot Marked BS very late production
Used from 6,008,000 to 6,009,xxx.

The BS marked were used in the late 6 millions.

gascylindersa.jpg

Gas Cylinder Assembly
 
Gas Cylinder Wide Base Flat On Top Of Rear Ring, no punch mark on the bottom of the bayonet lug.
 

Stacking Swivel Screw Swedged Off Center

Front Sight .625 to .6875 Wide

Common Post War Bolt Usage

Bolt 6528287-SA Heat lot US1
Used s/n range 4,200,000 to 4,229,999.
 
Bolt 6528287-SA Heat lot J-1-B
Used s/n range 4,200,000 to 4,229,999.
 
Bolt 6528287-SA Heat lot US2
Used s/n range 4,240,000 to 4,289,999.
 
Bolt 6528287-SA Heat lot A10
Used s/n range 4,240,000 to 4,329,999.
 
Bolt 6528287-SA Heat lot A11
Used s/n range 4,240,000 to 5,329,999.
   
Bolt 6528287-SA Heat lot A13
Used s/n range 5,290,000 to 5,429,999.
       
Bolt 6528287-SA Heat lot A14
Used s/n range 5,420,000 to 5,869,999.
      
Bolt 6528287-SA Heat lot A15
Used s/n range 5,420,000 to 5,969,999
       
Bolt 6528287-SA Heat lot A16
Used s/n range 5,900,000 to 5,999,000.
     
Bolt 6528287-SA Heat lot Z1
Used s/n range 5,800,000 to 5,900,000.
 
Bolt 658287-SA Heat lot Z2
Used s/n range 5,800,000 to 5,900,000.
 
Bolt 6528287-SA Heat lot Z3
Used s/n range 5,800,000 to 5,899,999.
 
Bolt 65287-SA heat lot Z-4-B
Used s/n range 6,080,000 to 6,009,000.
      
Bolt 6528287-SA Heat lot Y01
Used s/n range 5,790,000 to 6,009,000.
 
Bolt 6528287-SA heat lot Y02
Used s/n range 6,008,000 to 6,009,000.      

t105e.jpg

Rear Sight Cover
Has ribs used throughout post war production.
 
Rear Sight Base
Unmarked Late Type
Used throughout post war production.
 
Elevation Pinion DRC
Used s/n range 4,200,000 to 4,300,000.  Very Hard to find.                
 
Elevation Pinion unmarked
Used s/n range 4,200,000 to 4,399,000       
 
Elevation Pinion WCE   yards
 
 
Elevation Pinion NHC
Used late 5 million and most of the 6 million serial numbered rifles             
 
Windage Knob DRC             
Used 4.2 million and most mid production.
 
Windage Knob SA                 
 
Windage Knob unmarked         
 
Windage Knob WH/SA
Used late production 6 million serial numbers             
 

sapostbutt.jpg

Buttplate Springfield With Round or Square Plunger Head
Buttplate Screws Parkerized No Milling On Head
Buttplate Swivel
Stock Ferrule Screw Swadging Off Centered
Stock Ferrule Stamped With Large Hole And O Marked Center Inside 

Battle Rifle: The M1 Garand