M3 Grease Gun Magazine

The M3 Grease Gun Magazine is a newly produced version of the iconic military original. We've produced hundreds of thousands of these magazines with more than a decade of experience behind each magazine. You'll find our M3 Grease Gun Magazine will fit and feed flawlessly in any firearm designed to use unmodified M3 Grease Gun Magazines.

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American Owned and Operated


20+ Years In Business


Returns Accepted


Ships from Pennsylvania

  • Buy 5 for $34.95 each and save 13%
  • Buy 10 for $29.95 each and save 25%


  • M3 Grease Gun Magazine
  • Caliber: .45ACP
  • Capacity: 30 Rounds
  • Made by United Defense LLC / Keep Shooting
More Information
Overall Rating
Thanks KS
Review by Anwar V.
Mags look good. Exactly what I needed.
Overall Rating
Perfect for me
Review by Kentavious W.
Price is perfect and shipping was fast.
Overall Rating
Outstanding Mag A++
Review by Demarlo J.
Functions in my Grease Gun using all ammo.
Overall Rating
Terrific Deal
Review by Ranell C.
Best price anywhere that was in stock. Shipping was quick via Fedex.
Overall Rating
Good for me
Review by Zebedee G.
Feeds in my Grease Gun using all ammo.
Overall Rating
Perfect Product
Review by Jahad S.
Best mags for the buck shipped by a terrific company. Thank you KS!
Overall Rating
Good Price
Review by Brian H.
Leading mags for the price from a terrific company. Thank you KEEPSHOOTING!
Overall Rating
Just as described.
Review by Friedrich P.
I bought four mags and they all are as expected.
Overall Rating
Very Pleased
Review by Lawrance O.
Received in four days after buying. Will be back to shop at Keepshooting.
Overall Rating
Great for me
Review by Vivek X.
Feeds in my Grease Gun using any ammo.
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