Bought in September 2003 from a local gun store in Canada.
Barrel Group
| Barrel |
type 1 |
I.B.M. Corp. (no date) |
| Front Sight |
type 2 |
PO-B (Prestole Division Detroit Harvester Co. for IBM) |
| Barrel Band |
type 3 |
D inside diamond |
| Barrel Skirt |
|
|
| Slide |
type IV |
AOB & F (Auto Ordnance for IBM) |
Barrel has P proofmark under the barrel band. Last 4 digits of receiver serial number stamped in right side of slide rail. Barrel band is parkerized.
No import mark (Canada).
Stock Group
| Stock |
type 3 |
SC-B (Sprague & Carleton for IBM) |
| Handguard |
type 2 |
SC-B (Sprague & Carleton for IBM) |
| Buttplate |
|
(IBM) |
Stock has crossed cannon ordnance mark on right side of stock. Stock has the last 4 digits of the receiver serial number in the sling well, as does the handguard bottom side.
Receiver Group
| Receiver |
type 2 |
I.B.M. Corp., AO (Auto Ordnance) below s/n |
| Rear Sight |
type 3 |
I.R.CO. 7160060 (International Register Co.) |
| Recoil Plate |
type 3 |
PR-B (Parker Mfg. Co. for IBM) |
Receivers for I.B.M. were subcontracted out for manufacture by Auto Ordnance. Receiver milled "Bavaria Municipal Police".
Bolt Group
| Bolt |
type 3 |
EM-B (Endicott Machine Co. for IBM) |
| Ejector |
|
|
| Extractor |
type 3 |
IB (IBM) |
| Extractor Plunger |
|
|
| Firing Pin |
|
BE-B (IBM) |
Bolt is round, has usual last 4 digits of receiver serial number lightly electro-penciled in top of bolt.
Trigger Group
| Trigger Housing |
type 4 |
Q-TX (Triplex Corp. of America for Quality Hardware, used by IBM) |
| Trigger |
type 2 |
PD-B (Paradise Machine Co. for IBM) |
| Sear |
type 2 |
BI (IBM) |
| Hammer |
type 3 |
GM B (Gray Mfg Co. of Hartford, CT for IBM) |
| Hammer Spring |
type 2 |
|
| Trigger Housing Pin |
type |
|
| Safety |
type 2 or 3 |
|
| Magazine Catch |
type 3 |
W (Winchester) |
Photographs and information submitted by:
Return to The Armory
