GSR Repair and Cleaning Services

GSR Repair and Cleaning Services Firearm Repair and Cleaning Services I started GSR repair and cleaning out of that passion and have applied for my Federal Fi****ms License (FFL).

I am Allen Bellinghausen and I have lived in Discovery Bay since 1990, Since retirement, my passion has turned to Guns and their care. My services include field strip and cleaning of all types of handguns and rifles. Soon ultrasonic cleaning will be available. Simple repairs and upgrades also are available. I use top of the line gun cleaning products to clean and protect your fi****ms. Let me take care of your fi****ms so they will take care of you.

This G***k came in due to occasional jamming issues, besides it being excessively dirty. I found issues within the magaz...
04/09/2026

This G***k came in due to occasional jamming issues, besides it being excessively dirty. I found issues within the magazine that would have created some drag with the follower. Next step take it to the range. The cleaning tools in the picture are from the slide only. This gun was completely torn down to the frame and cleaned.

This Re*****on needed some big time TLC after this neglect.
07/27/2025

This Re*****on needed some big time TLC after this neglect.

44 mag detail clean
06/08/2025

44 mag detail clean

Never use standard screwdrivers on your your gun, you can ruin the screw head or even worse, put a nasty scratch in your...
05/20/2025

Never use standard screwdrivers on your your gun, you can ruin the screw head or even worse, put a nasty scratch in your gun. I needed to buy a new gunsmithing set, so I thought I would share some insight.

Marlin 336 cleaned, oiled and ready for next time out.
05/12/2025

Marlin 336 cleaned, oiled and ready for next time out.

Let’s get this Marlin 336 cleaned up
05/10/2025

Let’s get this Marlin 336 cleaned up

Lil Mossberg cleaning
04/29/2025

Lil Mossberg cleaning

Little Sig FCU work, always a bit of patience needed.
03/28/2025

Little Sig FCU work, always a bit of patience needed.

01/17/2025

ATTENTION G***K OWNERS.........................
If you are going to upgrade your G***k, please be sure to do all the static checks after each upgrade. I have worked on several of upgraded G***ks and found that some of the aftermarket parts do not always play well with others. If you need some help, please message me.

Send a message to learn more

This is a first, a client inherited this Black Powder revolver. My task is to revive back to working order, if possible....
01/05/2025

This is a first, a client inherited this Black Powder revolver. My task is to revive back to working order, if possible. We will see. I love a challenge!

Merry Christmas to all, what's on your list?
12/23/2024

Merry Christmas to all, what's on your list?

Sometimes you just have to keep it simple and clean. Do you prefer your 1911 to be 10mm, .45 ACP or 9mm?

Address

Discovery Bay, CA
94505

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm

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