: Springfield Armory M1903s with serial numbers below 800,000 (some sources say 750,000) may have improperly heat-treated receivers. Consult a gunsmith before firing.

Rifles with serial numbers below 800,000 (Springfield) or 285,507 (Rock Island) are considered "low-number" receivers and may have heat-treatment concerns.

If you call the modern Springfield Armory, Inc. customer service line asking for a serial number lookup on a 1943 M1 Garand, they cannot help you. You need a different strategy.

| Prefix | Model | | :--- | :--- | | 1911 (6-digit) | 1911 Mil-Spec (early) | | NM1, NM2, NM3... | M1A (National Match) | | XD..., XDM..., XDS... | XD Series pistols | | SAINT... | SAINT AR-15 rifles | | HC... | Hellcat / Hellcat Pro |

Serial Number Lookup Springfield Armory ((better)) Jun 2026

: Springfield Armory M1903s with serial numbers below 800,000 (some sources say 750,000) may have improperly heat-treated receivers. Consult a gunsmith before firing.

Rifles with serial numbers below 800,000 (Springfield) or 285,507 (Rock Island) are considered "low-number" receivers and may have heat-treatment concerns. serial number lookup springfield armory

If you call the modern Springfield Armory, Inc. customer service line asking for a serial number lookup on a 1943 M1 Garand, they cannot help you. You need a different strategy. : Springfield Armory M1903s with serial numbers below

| Prefix | Model | | :--- | :--- | | 1911 (6-digit) | 1911 Mil-Spec (early) | | NM1, NM2, NM3... | M1A (National Match) | | XD..., XDM..., XDS... | XD Series pistols | | SAINT... | SAINT AR-15 rifles | | HC... | Hellcat / Hellcat Pro | If you call the modern Springfield Armory, Inc