What letters at the end of the Remington 870 serial number mean?

You can easily find out what shells can be used in your Remington 870. Receiver of a shotgun is marked with letters at the end of the serial number, they determine ejection size.

It is very important to load only the ammo which suits your shotgun. Table of the Remington 870 serial number suffixes enables you easily finding out which ammo can be used.

Remington 870 Serial Number on the BARREL

Remington 870 Serial Number on the BARREL

Remington 870 Serial Number Suffix Meaning

 

Receiver Serial Number Serial Number Suffix Receiver Frame Size Gauge Ejection
#0000000V V Full size frame 12 gauge 12 2 3/4″ Only
#0000000M M Full size frame 12 gauge 12 2 3/4″ or 3″ Only
#0000000A A Full size frame 12 gauge 12 2 3/4″, 3″, or 3 1/2″
#0000000W W Full size frame 16 gauge 16 2 3/4″ Only
#0000000K K Small frame 20 gauge LW 20 2 3/4″ Only
#0000000K K Small frame 20 gauge LT 20 2 3/4″ Only
#0000000X X Full size frame 20 gauge 20 2 3/4″ Only
#0000000U U Small frame 20 gauge LT-20 20 2 3/4″ or 3″ Only
#0000000N N Full size frame 20 gauge 20 2 3/4″ or 3″ Only
#0000000J J Small frame 28 gauge 28 2 3/4″ Only
#0000000H H Small frame .410 bore .410 2 1/2″ or 3″

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