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19th June 2011, 02:44 PM
#1
Owner / Administrator
M1 Enbloc Manufacturer Markings
Various manufacturer stamps on enblocs
Blank stamp Springfield Armory
AMP Stamp All Metal Products Co. (hard to read)
ACE 2 Stamp Aggressive Engineering Corporation (Military production)
AEC 2 Stamp Aggressive Engineering Corporation (Commercial production)
AEC 3 - Aggressive Engineering Corp (Commercial)
Anaheim, CA
AGE 1 - Aggressive Engineering Corp (Millitary contract)
Anaheim, CA
AGE 2 - Aggressive Engineering Corp (Millitary contract)
Anaheim, CA
AMP 1 - All Metal Products Wyandotte, MI
BLM - Barry L Miller Eng Inc Irvine, CA
BRW 1 Stamp Borg-Warner Spring Division
BRW 2 Stamp Borg-Warner Spring Division
BRW 3 Stamp Borg-Warner Spring Division
BRW 4 Stamp Borg-Warner Spring Division
BRW 5 Stamp Borg-Warner Spring Division
BRW 6 Stamp Borg-Warner Spring Division
BRW 7 Stamp Borg-Warner Spring Division
B-W 4 - Borg Warner (WW2) Spring Division,Bellwood, IL
C - Lerio Patent Cup Co. Mobile, AL
DAQ Stamp Dominion Arsenal (Quebec)
fF - Fedders Mfg Buffalo, NY
HA - Haerens Ammunitions Arsenal Copenhagen, Denmark
IMI Stamp Israeli Military Industries (Israel)
I S 1 Stamp International Silver Company
I S 2 Stamp International Silver Company
I S 3 Stamp International Silver Company
IS 4 - International Silver Meriden, CT
IS 5 - International Silver Meriden, CT
JMO Julios Maurer, Oberstein Germany
58 - Nationalist China
59 Nationalist China
68 JMO Stamp Julius Maurer (Germany)
69 JMO Stamp Julius Maurer (Germany)
70 JMO Stamp Julius Maurer (Germany)
71 JMO Stamp Julius Maurer (Germany)
72 JMO Stamp Julius Maurer (Germany)
74 JMO - Julius Maurer Oberstein, Germany
LP 1956 Stamp Italian (name unknown)
L&H 81 Italian or Danish
LP 1961 Stamp Italian (name unknown)
NW Stamp Northwest Metal Products
MAS Manufacture D' Armes St. Etienne France
MBZ Stamp (fat letters) Mourek & Ball, Zeist (Netherlands)
MBZ Stamp (small letters) Mourek & Ball, Zeist (Netherlands)
MBZ Stamp (regular letters) Mourek & Ball, Zeist (Netherlands)
MFT Mataal Fabriek Tilburg Netherlands
NW - Northwest Metal Seattle, WA
SF Serini France
S - Stanley Works (or SW) New Britain, CT
S A Stamp Springfield Armory
S A Stamp with dash underneath Springfield Armory
S A Stamp (oversized letters) Springfield Armory
TF&S Thomas French & Co. Ltd
W4 - R Wallace & Sons Wallingford, CT
W5 Stamp R. Wallace and Sons
W6 - R Wallace & Sons Wallingford, CT
WEP Stamp Wade Electric Products
WEP1 - Wade Electric Products Sturgis, MI
WRA - Winchester Repeating Arms New Haven, CT
WR Wallace & Sons Mfg.
5 Stamp Unknown - might be an S for Stanley Works but uncertain at this point
5mm hole. - Austrian
Semper-Fi! Hawk
USMC 71-73
Life Member 3rd Mar Div Assoc.
Life Member DAV
Life Member M14RA (President)
Aim small.....Miss small!
Creator of the SparrowHawkM14 "Original" M14 Dummy Kit.TM
Co-Creator of the "Original" M14 Forum
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Post Thanks / Like - 7 Thanks, 4 Likes
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20th October 2011, 10:31 AM
#2
Thanks for the info Hawk, now I'll start looking closer at the enblocs my curiousity has peaked.
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Post Thanks / Like - 1 Thanks, 0 Likes
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20th October 2011, 11:16 PM
#3

Regional Coordinator - Pacific Region
LEO
NRA LIFE MEMBER
OATHKEEPER
C&R O3
U.S. NAVY 1972-76
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Post Thanks / Like - 2 Thanks, 0 Likes
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12th March 2013, 09:20 PM
#4
Staff Alumni
Re: M1 Enbloc Manufacturer Markings
OUT FRAKIN STANDING Boss! This was just what I was trying to compile, and DUH...Here it sits!
BLUE LIVES MATTER
Lord, make my hand fast and accurate.
Let my aim be true and my hand faster
than those who would seek to destroy me.
Grant me victory over my foes and those who wish to do harm to me and mine.
Let not my last thought be 'If I only had my gun."
And Lord, if today is truly the day you call me home
Let me die in a pile of empty brass.
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14th June 2022, 05:36 PM
#5
Designated Marksman
Re: M1 Enbloc Manufacturer Markings
Any idea as to the rarity of each marking?
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14th June 2022, 05:48 PM
#6
Owner / Administrator
Re: M1 Enbloc Manufacturer Markings
Semper-Fi! Hawk
USMC 71-73
Life Member 3rd Mar Div Assoc.
Life Member DAV
Life Member M14RA (President)
Aim small.....Miss small!
Creator of the SparrowHawkM14 "Original" M14 Dummy Kit.TM
Co-Creator of the "Original" M14 Forum
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14th June 2022, 05:50 PM
#7
Command Sgt Major
Re: M1 Enbloc Manufacturer Markings
I think Art may have a N.M. marked Enbloc ???
U.S.M.C. Scout Sniper 67-68
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14th June 2022, 07:40 PM
#8
Re: M1 Enbloc Manufacturer Markings

Originally Posted by
Harleystoo
Any idea as to the rarity of each marking?
There's a Winchester educational enbloc that seems to be the most valuable and rare, followed by anything with the notches being actually cut, not stamped. Then the C lerio.
WRA
WR
AMP
S or SW
Large SA
W4-W7
Wep
Wep 1-3
BW 1-9( not BRW)
Fb fc fd fe
HA
Small SA
IS1-7
BRW
Etc.
"Tothemax" on the CMP has alot of info on these. I'm not on FB, but I hear there's a page full of info.