FAB Defense MPS-12 Magazine Extension for S&W M&P 9 Shield

FAB Defense MPS-12 Magazine Extension for S&W M&P 9 Shield

$30.99
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FAB Defense MPS-12 Magazine Extension for S&W M&P 9 Shield

FAB Defense MPS-12 Magazine Extension for S&W M&P 9 Shield

$30.99
Compatible with

Magazine extensions may be restricted in some states.

  • Original gear from the manufacturer
  • Ships from Israel
  • Secure checkout
Read the full rundown ↓

Specs

BrandFAB Defense
ModelMPS-12
FitsS&W M&P 9 Shield factory 8-round extended magazine
Capacity+4 (8 to 12)
SpringOriginal spring
MaterialFiberglass-reinforced polymer

Key features

  1. Four more rounds8 becomes 12.
  2. Same springNo spring change.
  3. Finger gripContoured indents.

Questions

Which magazine does it fit?

Only the factory 8-round extended magazine for the S&W M&P 9 Shield.

Do I need a new spring?

No.

How many rounds will I have?

12.

Is this capacity legal where I live?

Some US states limit magazine capacity. Check your local laws before ordering.

FAB Defense in the field

Built for the real world

Rifle with a FAB Defense flashlight adaptor
FAB Defense AMP pistol conversion kit
Shooter with an AR-15 and FAB Defense furniture
Close-quarters training with a rifle

The Full Rundown

8 rounds become 12.

The MPS-12 turns the factory 8-round M&P 9 Shield extended magazine into a 12-rounder, with no spring change needed.

The Good

  • +4 rounds (8 to 12)
  • No spring replacement needed
  • Contoured finger grip
  • Fiberglass-reinforced polymer
  • No gunsmith

The Bad

  • Fits the factory 8-round extended Shield mag only
  • Restricted in some US states

Compatibility

  • S&W M&P 9 Shield 8-round factory extended magazine

The Bottom Line

More rounds for your carry gun, in minutes.

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