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Each Keepshooting.com magazine, including our brand new M3 Grease Gun magazine, begins with a guarantee. Our goal prior to production is the manufacture of a magazine that is not only 100 percent functional, but also 100 percent reliable – a goal that took several years to reach with this particular magazine. As such, we guarantee the function and reliability of all of our house-brand magazines 100 percent. If for any reason you are unsatisfied with the performance of your magazine, it can be returned for a refund of the purchase price provided it is free from modification, damage and visible signs of usage or wear.
How can we offer such a guarantee? Prior to release, a random sampling of every magazine we produce is rigorously field tested to ensure proper fitting, feeding and ejection. Not to mention, our magazines are manufactured using premium raw materials alongside modern manufacturing technologies. If this sounds expensive, that is because it is. But due to the number of magazines we have made, our prices are driven down and in turn passed on to you.
As noted, the M3 Grease Gun magazine is a detachable box magazine that boasts a familiar design based on the original military M3 submachine gun magazine, but with several much-needed improvement. As such, these magazines are guaranteed to fit and function reliably in any M3 submachine gun, including the M3A1 variant. This magazine is also compatible with the MAC-10 and its many variants and derivatives. The body of the magazine, which is designed to hold and feed 30 rounds of .45 ACP ammunition to your firearm, is constructed from hardened steel that has been fully heat treated. It also boasts a blued finish for enhanced protection against rust and corrosion. Additionally, both the steel spring and follower are precision manufactured to provide for reliable feeds on a consistent basis.