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CMMG Mk57 PSB AR Pistol Semi-Automatic 5.7mmX28mm 8" 20+1 Black Polymer PSB Black Hardcoat Anodized/Black Nitride
Cmmg

CMMG Mk57 PSB AR Pistol Semi-Automatic 5.7mmX28mm 8" 20+1 Black Polymer PSB Black Hardcoat Anodized/Black Nitride

  • Pistol
  • 5.7MMX28MM
  • Semi-auto
  • 20 rd capacity
  • 8" barrel
UPC 00816422021673

Compare prices

1 offer · 0 in stock · sorted by best price
RetailerPriceStockLast checkedDeal
Locked & Loaded$1,170.30Out of stock47m agoGo to deal

Prices and stock are from each retailer's latest check and can change. Price Dope may earn a commission from retailer links. Disclosure

Description

CMMG Mk57 PSB AR Pistol Semi-Automatic 5.7mmX28mm 8" 20+1 Black Polymer PSB Black Hardcoat Anodized/Black Nitride

Specs

BrandCmmg
CategoriesPistol · Firearms
Caliber5.7MMX28MM
UPC00816422021673
Capacity20+1
Weight5 lb
Oal25"
TypeAR Pistol
GripsBlack Magpul MOE
Twist1:9"
ActionSemi-Automatic
MuzzleCompensator
SafetyLever
SeriesPSB
SightsNone, Optic Ready
Stock_typePistol Stabilizing Blade
Metal_finishBlack Hardcoat Anodized/Black Nitride
Stock_finishBlack
Weight_range5.00 lbs to 5.99 lbs
Barrel_length8"
Similar_itemsHG5728
Stock_materialPolymer
Receiver_material7075 T6 Aluminum
Barrel_description4140 Chrome Moly
Metal_finish_groupBlued/Black
Barrel_length_range8.00" to 8.99"

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D.O.P.E.Price history

Lowest price across connected retailers, from every price check we've recorded.

Current best
$1,170.30
Low
$1,170.30
Oct 10, 2026
High
$1,170.30
Oct 10, 2026
Tracking since
Oct 10, 2026
One price check so far ($1,170.30 on Oct 10, 2026). The chart fills in as retailers are re-checked.
Recent price checks (1)
DateRetailerPriceStock
Oct 10, 2026, 9:05 PM PTLocked & Loaded$1,170.30Out of stock

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$1,170.30
Locked & Loaded
Go to deal