From the M14 Firing Line Public Forum - a list of GI M1 Garand parts that can be used to replace a broken/worn part on your M1A.
http://www.m-14forum.com/upload/showthread.php?t=39860
Although the site acknowledges my log in, it says I don't have permission to access this post. ???
Sorry, here's a copy:
#1 04-17-2007, 03:44 PM
Bill Ricca
R T Charlie
Moderator Specific Join Date: Aug 2002
Location: New Tripoli, Pa
Posts: 1,733
Garand Parts Usage on Commercial M14 Type Rifles
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The following Garand Parts can be used on your commercial M14 type rifle:
Stock Assembly
Butt Plate without shoulder rest (flapper), but only on early style M14 stocks. Most likely your rifle or parts kit does not have this type of stock.
Butt Swivel
Lower Butt Plate Screw
Trigger Housing Group
Hammer
Hammer Pin
Hammer Spring Guide
Hammer Spring Housing
Hammer Spring
Safety
Trigger
Trigger Pin
Rear Sight Group
Sight Base
Sight Cover
Windage Knob
Elevating Pinion (Garand is calibrated in yards, M14 in Meters, but in civilian life we mix the two)
Sight Aperture
A note of explanation: Elevating and Windage Knobs produced during WWII are different than postwar. Most rifles and kits contain postwar design as they are far superior. Years ago SA Inc. produced rifles with WWII knobs. Both WWII and postwar knobs interchange with all the other sight parts. However, the postwar and wartime knobs do not interchange amongst themselves. You can have either design, but not one of each in your rear sight assembly.
Bolt Assembly
Extractor (There are three basic types and all can be used in your commercial rifle)
Extractor Spring and Plunger
A note of explanation. There is some confusion on Ejector Assemblies. The Garand exists in two types, one has a longer spring than the other. The M14 ejector spring has a larger diameter and is longer than either Garand ejector. The ejector assembly was one of the many improvements made on the M14. They do not interchange.
Rear Hand Guard Spring Clip...I forgot this one. I am surprised nobody pointed it out.
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Last edited by Bill Ricca : 06-12-2007 at 05:20 PM. Reason: Forgot an item
edited by Fred to make it clear - by making them in "bold" - that "Stock Assembly", "Trigger Housing Group" and "Bolt Assembly" are NOT parts that can interchange, but simply titles that are descriptive of the list of parts that follow each, and which WILL INTERCHANGE...
That's a lot more than I expected.
Arent M1 parts relatively inexpensive compared to M1A parts. That looks like some $$$ saving information right there. ;D
You know, now that you mention it I don't think I'm in the habit of seeing "M14" parts from this list for sale. Not sure why. The guy that put that list together on M14 Firing Line Public Forum is a well know M14 smith.
SGT Cap (and all), most of the parts that "interchange" are actually the same part, as in same part number and same NSN.
Correct me if I'm wrong but isnt that the majority of the parts need to build the action of an M1A?
You mean the trigger housing/assembly? Sounds like it is. I may "pick" one up at the gunshow this weekend if I can get over there. Just for fun you know. M1A isn't in the habit of breaking (especially not now that I shoot the M1's all the time instead of it).
Most of the trigger assembly parts are the same, but not all.