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Not only did it give the weapon a distinct look, but was very quiet only hearing the cycling of the bolt. This is why it was better to use with a suppressor with a two stage design, such as the one from Sionics.
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#Mac 10 9mm open bolt series#
380 ACP is 1380 rounds per minute.ĭue to the weapon’s poor accuracy, in the 1970s International Association of Police Chiefs weapons researcher David Steele described the MAC series as “fit only for combat in a phone booth”.
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That of the 9mm M11/9 is approximately 1250 rounds per minute, and that of the smaller MAC-11 in. 45 is approximately 1090 rounds per minute. The original rate of fire for the M10 in. Ingram added a small bracket with a small strap beneath the muzzle to aid in controlling recoil during fully automatic fire. 45 ACP versions, as most loads are subsonic already, as opposed to special, low-powered subsonic loads usually required for suppressed 9mm weapons.Īt the suggestion of the United States Army, the suppressor also acted as a foregrip to inhibit muzzle rise when fired. The barrel is threaded to accept a suppressor, which worked by reducing the discharge’s sound, without attempting to reduce the velocity of the bullet. In addition, this design incorporates a built in feed ramp as part of the trigger guard (a new concept at the time) and to save on cost the magazine was recycled from the M3 Grease Gun. The Macs, Uzis, and Thompsons you see today in stores fire from a modified closed bolt system that is so dissimilar from the weapons original design that they share little in common.
#Mac 10 9mm open bolt full#
The M10 fires from an open bolt, and the light weight of the bolt results in a rapid rate of fire. In the ATF’s defense, Thugs could take an over the counter mac 10 or tec-9 and easily (and I do mean easily) convert it to fire full auto, so they got banned. This allows a more compact weapon and balances the weight of the weapon over the pistol grip, where the magazine is located. The M10 has a telescoping bolt, which wraps around the rear face of the barrel. A notched cocking handle protrudes from the top of the receiver, and by turning the handle 90° would lock the bolt, and act as an indicator the weapon is unable to fire. The M10 was built predominantly from steel stampings. A two-stage suppressor by Sionics was designed for the MAC-10, which not only abated the noise created, but made it easier to control on full automatic. The Ingram MAC-10 is a compact, blowback operated machine pistol that was developed by Gordon B.