In StockSave 10%
CMMG Banshee MK57 5.7x28mm 8" AR Pistol in Black - 57A340FAB
Sold byPalmetto State Armory•Posted May 18, 2026
Compare prices for CMMG Banshee Mk57 5.7x28mm FN Pistol 8" Threaded Barrel 20+1 Round Armor Black Pistol Brace$1,664.99
$1,848.99
You save $184.00 (10% off)
Price and stock data refresh continuously from Palmetto State Armory.
Deal Summary
- Currently in stock.
- Caliber: 5.7x28
- Category: handgun
- UPC: 810148624378
- SKU: 51655168060
- Brand: Cmmg
Price History
Deal Details
Your search for the ultimate personal defense weapon ends here. Meet the MK57 BANSHEE, chambered in 5.7x28mm with an optimized 8 inches barrel to unleash the full potential of this close-range caliber. built on the MK57 platform, this BANSHEE accepts FN Five-seveN pattern magazines and features an oversized mag release for intuitive handling. Despite using pistol magazines, the MK57 retains familiar AR functionality such as last round bolt hold open, ensuring reliability and ease of use. From th
Other Offers for This Product
Active offers from your catalog for CMMG Banshee Mk57 5.7x28mm FN Pistol 8" Threaded Barrel 20+1 Round Armor Black Pistol Brace.
Comparing 4 retailers carrying this product
Lowest Price: $1,507.11
Highest Price: $1,664.99
You Save: $157.88
Avg Discount: 2% off
CMMG 57A340FAB Banshee MK57 5.7x28mm 20 8 Black Nitride Medium Taper Threaded Barrel, EML 7 M-LOK Handguards, Black Armor Cerakote Aluminum Pic Rail Receiver, CMMG Zeroed Grips, Tactical Pistol
CmmgHinterland OutfittersSKU/UPC: 220163
$1,507.11
View at Hinterland Outfitters
CMMG Banshee 5.7x28mm 8 20 Round
CmmgAmmunition DepotSKU/UPC: 57A340FAB
$1,544.99
View at Ammunition Depot
CMMG Banshee Mk57 5.7x28mm FN Pistol 8" Threaded Barrel 20+1 Round Armor Black Pistol Brace
CmmgMidwayUSASKU/UPC: 150261
$1,613.99
View at MidwayUSACMMG Banshee MK57 5.7x28mm 8" AR Pistol in Black - 57A340FAB
CmmgPalmetto State ArmorySKU/UPC: 51655168060
$1,664.99$1,848.99Save 10%
View at Palmetto State Armory