Smith-Corona M1903A3
Updated 02/18/08

Block1 3608000 - 3707999
      C3708000 - C3711599
Block2 4708000 - 4992000

SC3 3608304 SC 9-42 6g 305th serialized SC receiver. No thumb relief on the left rail.
SC3 3609xxx RA 4-44
SC3 3609582 SC 10-42 6g

SC3 3610352 SC 6-43 6g early receiver features
SC3 3611090 SC 10-42 6g, boxed FJA, OS, pins
SC3 3611337 SC 10-42 6g, boxed FJA, OS, pins, scalloped spindle (CSP 5/06)
SC3 3612220 SC 11-42 6g (CSP 5/06)
SC3 3615950 SC 11-42
SC3 3617xxx SC 11-42
SC3 3619354 SC 12-42 (email 1/06)
SC3 36199xx SC 7-43

SC3 3620873 SC 7-43
SC3 3621683 SC 1-43
SC3 3623xxx SC 12-43
SC3 3623203 SC 12-42
SC3 3623281 RA 7-44
SC3 3623870 SC 1-43
SC3 3624407 SC 8-43 Bbl: RBLT. O.B.S. 3 / 5.11.44 (CSP 5/05)
SC3 3627696 SC 12-42 6g (CSP 12/05)
SC3 3629691 SC 12-42 Early SC Receiver Features

SC3 3631524 SC 1-43 6g (CSP 4/05)
SC3 3632358 SC 1-43 6g (CSP 2/06)
SC3 3633764 SC 1-43
SC3 3633846 SC 1-43 (CSP 10/05)
SC3 3635136 RA 3-44 2g
SC3 36360xx SC 2-43
SC3 3636073 SC 2-43 6g
SC3 3636458 RA 2-44 2g
SC3 3639309 SC 1-43 6g

SC3 3641178 SC 2-43 (CSP 4/06)
SC3 36438xx SC 2-43

SC3 3651061 RA 2-44
SC3 3652051 RA 4-44 2g
SC3 3652701 RA 2-44 (email 9/06)
SC3 3653xxx SC 3-43
SC3 3655177 SC 3-43
SC3 3657093 SC 3-43
SC3 3658448 SC 6-43 (email 1/06)

SC3 3661488 SC 4-43
SC3 3663xxx SC 3-43
SC3 3664341 SC 3-43
SC3 3664362 RA 7-44
SC3 36648xx RA 7-44
SC3 3667494 SC 4-43
SC3 3667808 SC 4-43
SC3 36685xx SC 4-43
SC3 3668855 SC 4-43
SC3 36698xx SC 4-43

SC3 3670127 SC 4-43 4g
SC3 3672xxx SC 4-43 4g
SC3 36724xx SC 4-43
SC3 3678524 RA 12-43 2g
SC3 3679837 SC 4-43

SC3 3681xxx RA 12-43
SC3 3682xxx SC 4-43
SC3 3682xxx RA 3-44
SC3 3684352 RA 8-44
SC3 3685298 SC 5-43 boxed FJA,OS, pins (CSP 9/06)

SC3 3691009 SC 5-43
SC3 3692xxx SC 5-43
SC3 3692807 SC 8-43
SC3 3695889 SC 5-43 boxed FJA, pins (email 4/06)
SC3 3695998 SC 6-43 (CSP 12/05)
SC3 3699538 RA 8-43

SC3 3700782 SC 3-43
SC3 3702xxx RA 8-44 2g
SC3 3702250 SC 5-43
SC3 370242x SC 5-43
SC3 3705xxx SC 5-43
SC3 3706xxx SC 5-43
SC3 3706xxx SC 6-43
SC3 3707665 SC 2-43 6g
SC3 3707859 SC 6-43
SC3 3708xxx SC 6-43

SC3 C3709393 SC 1-43 4g, (CMP Auction)
SC3 C3709593 SC 6-43 small TG (CSP 3/07)
SC3 C37094xx SC 6-43 

SC3 C3711515 SC  7-43 (email 2/08)
SC3 C3711893 SC 10-43
SC3 C3712181 SC 7-43 large TG (CSP 3/07)

SC3 3769xxx SC 4-43 4g

SC3 3832xxx SC 4-43

SC3 4713xxx RA 3-44
SC3 4713xxx RA 8-44 2g
SC3 4715548 SC 6-43
SC3 4717604 SC 7-43 boxed FJA, ord-stamp (CSP 11/07)
SC3 4718086 SC 6-43
SC3 4719846 SC 6-43

SC3 4720367 SC 6-43 (CSP 12/05)
SC3 4720749 SC 6-43
SC3 4722xxx SC 6-43 N^Z Marked Stock
SC3 47235xx SC 7-43
SC3 4724xxx SC 6-43
SC3 4725834 SC 7-43

SC3 4730425 SC 6-43
SC3 4731113 SC 6-43 6g (CSP 2/06)
SC3 4732xxx SC 1-43
SC3 4733549 SC 6-43 large TG (CSP 3/07)
SC3 4734607 SC 6-43 (CSP 3/07)
SC3 47366xx SC 7-43
SC3 47368xx SC 7-43 RA, OS, FJA, RIA / EB
SC3 4738xxx RA 8-44
SC3 4738168 SC 7-43 (CSP 2/06)
SC3 4738xxx SC 10-42

SC3 4741122 SC 7-43
SC3 4744xxx SC 5-43 6g
SC3 4744067 SC 5-43 6g
SC3 4747379 RA 7-44 (CSP 3/05)
SC3 47499xx SC 9-43 6g

SC3 475xxxx SC 6-43 4g
SC3 4750177 SC 6-43 (CSP 12/05)

SC3 4753816 SC 10-43
SC3 4753604 SC 6-43 (CSP 9/06)
SC3 4754452 SC 8-43
SC3 4756496 SC 8-43 boxed FJA, pins, large P (email 11/05)
SC3 4757xxx SC 7-43
SC3 4757763 RA 6-44
SC3 4759896 SC 8-43 6g Drill (CMP 10/04)
SC3 4759896 SC 7-43 (CSP 9/06)

SC3 4760xxx SC 8-43 4g
SC3 4760257 SC 9-43
SC3 4760261 SC 8-43
SC3 4760644 SC 8-43 X, large TG, boxed FJA, pins (email 1/07)
SC3 4764508 SC 8-43 CC on bolt, large TG, Lyman 48 & 17A sights, fbomb on forend tip
SC3 4765231 SC 8-43
SC3 4767210 SC 8-43 4g
SC3 476770x SC 8-43
SC3 47685xx SC 8-43

SC3 4770985 SC 8-43 4g (email 2/08)
SC3 4773297 ?????
SC3 4774689 SC 9-43
SC3 4775xxx SC 9-43
SC3 4777432 RA 2-44

SC3 478xxxx SC 9-43 4g
SC3 47850xx SC 9-43
SC3 4785691 SC 8-43 (CSP 5/06)
SC3 4785888 SC 9-43

SC3 4791772 SC 9-43 (CSP 4/05)
SC3 47925xx SC 9-43
SC3 4792560 SC 9-43 
SC3 4796xxx RA 12-43

SC3 4800637 SC 10-43 (Fort Myer, Va. drill team)
SC3 4800645 SC 10-43 (San Diego, JROTC)
SC3 4800649 SC 10-43 (CMP sales, pre-Greek)
SC3 4800661 SC 10-43 (Gun show 10/98)
SC3 4800668 SC 10-43 (CSP 4/05)
SC3 4800669 SC 10-43 (CSP 3/05)
SC3 4801444 SC 10-43 (1950’s DCM)
SC3 4801476 SC 10-43 (CSP 4/05)
SC3 48018xx SC 10-43
SC3 4802668 SC 10-43
SC3 4805xxx SC 10-43 4g
SC3 4806604 SC 10-43
SC3 4807307 SC 10-43
SC3 4808xxx SC 10-43

SC3 4810396 SC 10-43
SC3 4812017 SC 9-43 (CSP 10/05)
SC3 48128xx SC 10-43
SC3 4813179 SC 9-43
SC3 4813693 SC 8-43 (CSP 2/07)
SC3 48142xxx SC 4-43 6g
SC3 48151xx SC 11-43
SC3 4815415 SC 10-43
SC3 4817992 SC 10-43
SC3 48182xx SC 9-43
SC3 4818743 SC 11-43

SC3 4820731 SC 10-43
SC3 4821462 SC 10-43
SC3 4821560 SC 10-43 (CSP 3/05)
SC3 4821xxx RA 12-43 2g
SC3 4821702 SC 10-43 (CSP 3/05)
SC3 4822916 SC 10-43
SC3 4822982 SC 3-43
SC3 4823077 SC 10-43
SC3 4823214 SC 9-43
SC3 4823886 SC 10-43 4g
SC3 4824290 RA 3-44 2g
SC3 4824899 RA 2-44
SC3 4825xxx RA 3-44 XA 63
SC3 48256xx SC 5-43
SC3 4825626 SC 10-43
SC3 4825xxx RA 2-44
SC3 4825846 SC 11-43
SC3 48260xx SC 10-43
SC3 48268xx RA ?-?? 2g
SC3 4826985 SC 10-43
SC3 4827xxx SC 6-43
SC3 4827009 SC 10-43
SC3 4827441 SC 11-43 Sq-lug (CSP 3/05)
SC3 4827518 SC 10-43
SC3 4827684 RA 3-44 2g
SC3 48290xx SC 11-43

SC3 48309xx SC 11-43
SC3 4830926 SC 11-43
SC3 4832xxx SC 11-43 2g
SC3 4832430 SC 12-42 (NRA Museum)
SC3 4833471 SC 11-43
SC3 4834058 SC 11-42
SC3 4834722 SC 11-43 X bolt (CSP 12/07)
SC3 4836633 SC 11-43 stock w/bolts
SC3 4836635 SC 11-43 stock bolts
SC3 4837202 SC 11-43
SC3 48391xx SC 11-43 stock pins
SC3 4839385 SC 11-43 Bolt - X, 8, square lug (CSP 4/06)

SC3 4840288 SC 11-43
SC3 4841559 SC 11-43
SC3 4843020 SC 11-43 Drill (CSP 11/07)
SC3 4843195 SC 11-43
SC3 4843887 SC 11-43 Drill
SC3 4845753 Mann Barrel
SC3 4845831 Last SC per Contract–later ones were over run of allocated s/n range

Note: The nearly 5000 SN 487xxx rifles are the result of a numbering error at SN 4780000

SC3 4870189 SC 8-43 (email 9/06)
SC3 4870348 SC 8-43 (email 9/06)
SC3 4870379 SC 8-43 (email 9/06)
SC3 4870812 M.A.B. 7.62mm (email 9/06)
SC3 4871926 SC 8-43
SC3 4872845 SC 8-43 (email 9/06)
SC3 4873xxx SC 10-43
SC3 4873119               (AA 6/02)
SC3 4873144 ?? 10-42
SC3 4874296 SC 8-43 (email 9/06)

SC3 4882xxx SC 9-43 4g Over Run S/N ?