NON-CORROSIVE PRIMERS IN U.S. MILITARY AMMUNITION
STARTED WITH THESE LOTS/DATES
(Reference TM9-1305 - 200 June 1961)

Table III. Styphnate Primed Small-Arms Ammunition Initial Production Lots

If you do not know the lot number, and only have the headstamp:
Assume that all ammunition with the year shown or earlier is CORROSIVE.
Assume that all with headstamp date higher than the year shown is NON-CORROSIVE


Manufacturer

and lot data

.30 caliber
.45 caliber
Ball M2
AP M2
API M14A1
Tracer M25
Blank M1909
Ball M1911
Tracer M26
FA
Lot number
4149 (1)
887
62
44
985
1542
41
Acceptance date
10-51
10-51
11-53
10-51
7-54
7-54
3-53
RA
Lot number
33853
 
 
5000
 
5544
 
Acceptance date
11-51
 
 
4-51
 
9-52
 
WCC
Lot number
6428
 
 
6000
 
6375
 
Acceptance date
6-51
 
 
2-51
 
11-52
 
SL
Lot number
9240
9467
 
7025
 
 
 
Acceptance date
5-52
7-52
 
9-52
 
 
 
LC
Lot number
13700
13158
12000
12004
12000
 
 
Acceptance date
6-51
4-52
5-52
5-52
4-52
 
 
TW
Lot number
19632
19776
18000
18013
18712
18000
18000
Acceptance date
12-50
2-52
12-52
12-51
9-51
8-53
10-53
WRA
Lot number
23201
22007
22000
 
22000
22198 (2)
 
Acceptance date
8-51
6-54
2-53
 
9-53
11-51
 
VC
Lot number
42000
 
 
 
 
 
 
Acceptance date
4-45
 
 
 
 
 
 
DAQ
Lot number
44000
 
 
 
 
 
 
Acceptance date
8-45
 
 
 
 
 
 
FCC
Lot number
 
 
 
 
 
 
1801
Acceptance date
 
 
 
 
 
 
11-53

Notes:

(1) Odd lots assembled with P-4 or styphnate, primers since l947.

(2) Steel cased lots S-22000-22007 also w/styphnate.

Added Notes

(1) All [U.S. military] caliber .30 carbine lots contain azide or styphnate (non-corrosive) primers.

(2) All [U.S. military] 7.62 millimeter and caliber .50 spotter-tracer cartridges contain styphnate (noncorrosive) primers