CMMG Barrel and BCG Kit 16.1in 4140CM SBN 57 x 28mm

BCG Cmmg UPC 810097502413 MPN 57D0476

CMMG Barrel and BCG Kit 16.1in 4140CM SBN 57 x 28mm
$386.99

at Good 4 Guns · checked 5 minutes ago

Shipping: Calculated in cart

View at Good 4 Guns →

7 retailers · $386.99 to $461.99 in stock

This listing: Optics Planet $389.99

Offers

CMMG 16.1" 5.7x28mm AR Barrel and BCG Kit
Good 4 Guns In Stock Checked 5 minutes ago Shipping: Calculated in cartCondition: New
$386.99 History
CMMG Barrel and BCG Kit 16.1in 4140CM SBN 57 x 28mm
Optics Planet In Stock Checked 13 hours ago SKU 2CM-ATB-CP11-57D0476
$389.99 History
CMMG 16.1 5.7x28mm Barrel Kit with BCG for AR Platform
Ammunition Depot In Stock Checked 4 days ago
$406.49 History
CMMG BBL AND BCG KIT 16.1" 5.7X28MM
E-Commerce Arms In Stock Checked 8 minutes ago Shipping: $11.95Condition: New
$407.00 History
CMMG Barrel and BCG Kit 5.7X28MM 16.1 Barrel Fits AR Rifles
GrabAGun In Stock Checked 4 days ago
$409.99 History
CMMG AR-15 Barrel 5.7x28mm FN 16" Medium Contour 1:9" Twist Nitride
MidwayUSA In Stock Checked 4 days ago
$417.82 History
CMMG Barrel and BCG Kit, 5.7X28mm, 16.1" Barrel, Black, Fits AR Rifles
Palmetto State Armory In Stock Checked Sep 29, 2026
$461.99 History

Price history

Lowest price across retailers each day.

Lowest seen
$386.99
Typical price
$407.00
Tracked since
Apr 10, 2026

Today's best price matches the 203-day low and is 5% below typical.

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