CMMG has revolutionized pistol caliber carbine design with the introduction of their Radial Delayed Blowback action. The new 10mm Auto version offers an accurate, soft shooting and highly reliable 10mm PCC with a variety of available features for any budget. The 10mm Banshee is ready for anything you can throw at it.

How did they make this run in the punishing 10mm round? CMMG’s Radial Delayed Blowback action incorporates a mechanical delay that forces the bolt to rotate, slowing the bolt carrier group. This allows chamber pressures to drop before cycling, using a lighter bolt, buffer, and spring. The reduced bolt velocity reduces wear and recoil.

Banshee 10mm with Nikon P-Tactical Spur Red Dot Sight

I got to spend a range day with the guys from CMMG. We shot over 300 rounds of assorted weight 10mm from Doubletap ammo and Speer GoldDot. The gun ran great, last round bolt hold open worked well across all the loads we shot. Using the Nikon P-Tactical Spur Red Dot Sight produced very good accuracy.

One of the major problems faced by gun makers is the diverse variation among factory loads. In 10mm there are numerous loads with a variety of bullet weights, pressures, and muzzle velocities. CMMG makes it look easy. The Banshee ships with a five-ounce H3 buffer installed and a three-ounce standard carbine buffer is included in the box. This let’s you quickly tune your rifle for maximum performance from your ammunition with and without a suppressor. If you need full power 10mm loads, there’s an available eight-ounce buffer.

There was no problem shooting out to 100 yards with no hold over.

Even with heavy loads, recoil is light. I would compare it to bird shot from a 12 gauge autoloader. The Banshee 10mm is a handy 24.3 inches long with an adjustable arm brace and 8-inch barrel. Weighing 5 pounds, 9 ounces, unloaded, the Banshee is easy to handle. It uses readily available Glock 10mm magazines in all capacities. A clever last round bolt hold open feature, the dual-pinned and precision-machined Bolt Catch Linkage System, lets you know when it is time to add another freedom stick.

The 10mm Auto, like many wonderful things, was developed by Colonel Jeff Cooper. Because of physics, the great stopping power of the 10mm produces recoil that can be difficult to manage in a handgun. Many shooters prefer lighter loads which resulted in the .40 S&W which fires a 10mm bullet in a shorter case. The CMMG Banshee lets you shoot full power rounds that use all the potential energy from this great round without the heavy recoil that slows follow up shots.

CMMG offers three different series of Banshee pistols (100, 200, and 300 series). Calibers range from .22 LR to .458 SOCOM. The CMMG Banshee 100 Series pistols are basic and offer an affordable entry into the 10mm PCC market with MSRPs of $1,299.95 for the pistol and $1,349.95 for the SBR. The upgraded 200 Series pistols and SBRs offer upgrades like enhanced arm braces, and the line-topping 300 Series guns come with ambidextrous safety selectors and are available in a variety of Cerakote color options. CMMG Banshee 200 Series 10mm pistols and SBRs carry and MSRP of $1,449.95 while the 300 series guns have an MSRP of $1,649.95. All Banshee pistols come equipped with 7075 T-6 receivers, M-LOK free float handguards, and SBN barrel finishes, and all are backed by CMMG’s lifetime warranty.

To see the complete line of CMMG 10mm offerings, click HERE

CMMG was established in 2002, when John, Jeff, Gretchen, and Stephanie Overstreet made the decision to create a quality AR rifle that can be afforded by everyone. Since that time, things have continued to get better and better. CMMG guarantees its products against defects in material or workmanship for the life of the product. CMMG Inc. will repair, replace or substitute any product(s) if a defect in material or workmanship is found.

By Mark Miller

Mark Miller is a Green Beret who served in Afghanistan and a number of other live fire locations. He's a poet-warrior in the classic sense, a casual hero and a student of science.

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