Modern Weapon Systems Gun Store

Modern Weapon Systems Gun Store FFL 07/02 SOT - This is the place for the best deals & higher end products in STL MO

We pride ourselves on having the largest collection of high end guns, exclusives, Talo and hard to get find lines of guns in stock everyday.

04/29/2026

New 57 pistol from Keltec 100rd capacity

04/22/2026
The Ta**us TX22 completion is back in.....black. do not miss these.
04/17/2026

The Ta**us TX22 completion is back in.....black. do not miss these.

Got these in today only 2 left out of 6. Century/Sharps Bros miller receiver ak47's 7.62*39 These feature a mlok handgua...
04/17/2026

Got these in today only 2 left out of 6. Century/Sharps Bros miller receiver ak47's 7.62*39 These feature a mlok handguard and amazing flutted barrel system plus a huge 200.00 bones discount on this sale we got from our vendor!!. You cannot beat this deal if you want one of these build receiver AKs!!

Who needs a diamondback db15 ar pistol in 556 and American themed.
04/17/2026

Who needs a diamondback db15 ar pistol in 556 and American themed.

I've got a new 1913 Mount coming to the market here soon can you guess what it's for?
04/17/2026

I've got a new 1913

Mount coming to the market here soon can you guess what it's for?

Lone wolf G***k clones with custom slides w/ strike industries red dots in store great price!!
04/17/2026

Lone wolf G***k clones with custom slides w/ strike industries red dots in store great price!!

Lone wolf 9mm G***k clones with custom slides tall night sights in stock!
04/17/2026

Lone wolf 9mm G***k clones with custom slides tall night sights in stock!

Grab the last S&W metal performance center gold 2.0 in 9mm before it s gone.
04/17/2026

Grab the last S&W metal performance center gold 2.0 in 9mm before it s gone.

Alpine Kriss Vector in 45acp in stock!!
04/17/2026

Alpine Kriss Vector in 45acp in stock!!

Address

300 Biltmore Drive Ste 336
Fenton, MO
63026

Opening Hours

Tuesday 10am - 6pm
Wednesday 10am - 6pm
Thursday 10am - 6pm
Friday 10am - 6pm
Saturday 10am - 4pm

Telephone

+13142520486

Website

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