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CMMG 55BC76A MK4 T 223 Remington/5.56 NATO 16" 4140 Steel Threaded Black
Cmmg

CMMG 55BC76A MK4 T 223 Remington/5.56 NATO 16" 4140 Steel Threaded Black

UPC 00815835015866

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1 offer · 0 in stock · sorted by best price
RetailerPriceStockLast checkedDeal
Locked & Loaded$439.82Out of stock21m agoGo to deal

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Description

CMMG 55BC76A MK4 T 223 Remington/5.56 NATO 16" 4140 Steel Threaded Black

Specs

BrandCmmg
CategoriesUppers · Parts
Caliber5.56X45MM
UPC00815835015866
TypeComplete Gas Impingement
Twist1:7"
Series5.56mm Upper Complete
SightsNone, Optic Ready
HandguardsFree-Floating
Barrel_finishMatte Black
Barrel_length16"
Rate_of_twist1:7"
Similar_itemsUpper
Ar_15_accessoryYes
Barrel_material4140 Steel
Receiver_finishBlack
Handguard_finishBlack
Barrel_descriptionThreaded
Barrel_length_range16.00" to 17.99"
Receiver_description7075-T6 Aluminum M4
Barrel_length_in_inches16
Package dimensions3.45 x 15.7 x 31.6 in

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D.O.P.E.Price history

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

Current best
$439.82
Low
$439.82
Oct 10, 2026
High
$439.82
Oct 10, 2026
Tracking since
Oct 10, 2026
One price check so far ($439.82 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$439.82Out of stock

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