CMMG Banshee MK57 5.7x28mm 8.5″ AR-15 AR Pistol Five-Seven w/ Magazine
SOLD FOR: $1,077.53
WOA#: WY240326GW004
Make: CMMG
Model: Banshee MK57
Serial Number: BDB02371
Year of Manufacture: Modern
Caliber: 5.7X28mm
Action Type: Semi-Automatic
Markings: The left side of the receiver is marked “CMMG / Mk57 / BDB02371”, “CMMG INC / BOONVILLE, MO / USA”, “SEMI SAFE”. The buffer tube is marked “CMMG PAT. 10,551,144”, “FASTBACK”. The right side of the lower is marked “SEMI SAFE”, “BANSHEE”. The right side of the grip is marked “MADE IN USA”. The left side of the grip is marked “REPTILIA”. The barrel is marked “5.7×28 1:9”. The top of the charging handling is marked “CMMG”.
Barrel Length: 8.5”. 9.5” with muzzle device.
Sights / Optics: The top of the upper and the front and rear portion of the handguard have picatinny rails for optic options.
Stock Configuration & Condition: No buttstock. The grip is a Reptilia polymer grip. The handguard is a 7.25” MLOK skeletonized handguard. The stocks rate in about Excellent overall condition. There is light handling wear. The left side of the buffer tube has been sharpied over the letters.
Magazine Quantity & Condition: One 20rd 5.7×28 Magazine in Excellent condition.
Type of Finish: Black Hardcoat
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore. In this writer’s opinion the bore rates 9/10.
Overall Condition: This pistol retains about 99% of its metal finish. The balance of the finish shows no wear outside of normal responsible storage. The screw heads are sharp, pins are unmarred, and the markings are clear. Overall, this pistol rates in about Excellent condition.
Mechanics: The action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: This pistol comes with a total of one magazine, SB Tactical Arm Brace with manual, and a soft case.
Our Assessment: The 5.7x28mm cartridge was developed by FN Herstal for use in the P90 personal defense weapon (PDW) and the Five-seveN pistol. One of the main features of the 5.7x28mm cartridge is its high velocity, which allows it to penetrate body armor and other protective gear that may be worn by military and law enforcement personnel. Additionally, the 5.7x28mm cartridge has a relatively low recoil, which allows for accurate rapid fire and easy control. The P90 is a unique weapon that was designed to be a compact and lightweight option for military and law enforcement personnel, and the 5.7x28mm cartridge is an important part of that design. It’s also considered a good option for civilians who want a high-performance, low recoil round for self-defense or sport shooting.
This AR pistol utilizes the 5.7x28mm cartridge while maintaining all the same controls as the AR-15 which means no learning curve while harnessing a unique cartridge capable of some insanely fun shooting. Please see our photos and good luck on your bid! – L.S.
