Serial prefix
L – Magnum model clue
M – 12 gauge clue on many examples
N – later Model 1100-era receiver clue
Serial suffix
V – commonly associated with 12 gauge standard 1100s
Other suffix letters may indicate different gauges or configurations.
Barrel month code
Uses the mnemonic BLACK POWDER X:
B=Jan, L=Feb, A=Mar, C=Apr, K=May, P=Jun,
O=Jul, W=Aug, D=Sept, E=Oct, R=Nov, X=Dec.
Barrel year code
Barrel year letters repeat across Remington history. This Model 1100 lookup filters year-code results to
the 1963-and-later Model 1100 production era.
Always confirm important valuation or legal questions with factory records, reliable Remington references, or a qualified historian.