Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
CMMG MR Barrel Black 5.56 / .223 Rem 12.5-inch by Cmmg -
35% off

Product Description

Get the best deal on the CMMG MR Barrel 55DDF0A 5.56 / .223 Rem 12.5 AR Barrels at GrabAGun.com. Get the best deals on AR Barrels for sale online at GrabAGun! CMMG for sale online. Flat rate shipping on all guns and ammo with the best prices around!

CMMG MR Barrel Black 5.56 / .223 Rem 12.5-inch

at GrabAGun
Browse all GrabAGun deals
$169.99 $259.99 35% Discount
You save $90.00
In Stock at GrabAGun
Price verified 1d ago
Buy Now at GrabAGun
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Cmmg
MPN 55DDF0A
Cmmg

More from Cmmg

GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Replacement Barrel Kit Silver / Black .22 LR 4.5 Threaded Barrel for AR-15/MK4 CMMG Replacement Barrel Kit Silver / Black .22 LR 4.5 Threaded Barrel for AR-15/MK4 View Details
$249.99 $324.95
23% off
Buy Now · $249.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Replacement Barrel Kit .22 LR 16.1 Threaded Barrel for AR-15/Mk4 CMMG Replacement Barrel Kit .22 LR 16.1 Threaded Barrel for AR-15/Mk4 View Details
$199.99 $249.95
20% off
Buy Now · $199.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
Sold Out
CMMG Barrel Sub-Assembly 8.6 Blackout 12.5 Threaded Barrel CMMG Barrel Sub-Assembly 8.6 Blackout 12.5 Threaded Barrel View Details
$219.99 $274.95
20% off
Buy Now · $219.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Replacement Barrel Kit .22 LR 16.1 Threaded Barrel w/ Bolt Carrier Group CMMG Replacement Barrel Kit .22 LR 16.1 Threaded Barrel w/ Bolt Carrier Group View Details
$299.99 $374.95
20% off
Buy Now · $299.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG MC 4140CM .300 AAC Blackout Barrel Black 8-inch CMMG MC 4140CM .300 AAC Blackout Barrel Black 8-inch View Details
$159.99 $219.99
27% off
Buy Now · $159.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG AR-15 Barrel Sub Assembly 16.1 .350 Legend CMMG AR-15 Barrel Sub Assembly 16.1 .350 Legend View Details
$169.99 $199.95
15% off
Buy Now · $169.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Barrel and BCG Kit 5.7X28MM 16.1 Barrel Fits AR Rifles CMMG Barrel and BCG Kit 5.7X28MM 16.1 Barrel Fits AR Rifles View Details
$409.99 $499.95
18% off
Buy Now · $409.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Barrel and BCG Kit 5.7X28MM 5 Barrel CMMG Barrel and BCG Kit 5.7X28MM 5 Barrel View Details
$379.99 $449.95
16% off
Buy Now · $379.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Barrel and BCG Kit 5.7X28MM 8 Barrel Fits AR Rifles CMMG Barrel and BCG Kit 5.7X28MM 8 Barrel Fits AR Rifles View Details
$399.99 $474.95
16% off
Buy Now · $399.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Inc. ACC BO 16-inch Stripped Barrel 1:7 Carbine Gas CMMG Inc. ACC BO 16-inch Stripped Barrel 1:7 Carbine Gas View Details
$179.99 $239.99
25% off
Buy Now · $179.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG BBL 300BLK 16.1 MT 4140CM SBN CMMG BBL 300BLK 16.1 MT 4140CM SBN View Details
$179.99 $239.99
25% off
Buy Now · $179.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG MT Barrel Sub-Assembly Nitride 5.56 / .223 Rem 16.1-inch CMMG MT Barrel Sub-Assembly Nitride 5.56 / .223 Rem 16.1-inch View Details
$179.99 $239.99
25% off
Buy Now · $179.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG Inc. 16-inch M4 LE 1:9 Car Gas Barrel Ext CMMG Inc. 16-inch M4 LE 1:9 Car Gas Barrel Ext View Details
$179.99 $259.99
31% off
Buy Now · $179.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
Sold Out
CMMG BBL 300BLK 12.5-inch MR 4140CM SBN CMMG BBL 300BLK 12.5-inch MR 4140CM SBN View Details
$189.99 $229.99
17% off
Buy Now · $189.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
Sold Out
CMMG Barrel Sub-Assembly Stainless 6mm ARC 20 Barrel for AR-15 CMMG Barrel Sub-Assembly Stainless 6mm ARC 20 Barrel for AR-15 View Details
$203.99 $239.95
15% off
Buy Now · $203.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
Sold Out
CMMG AR15 Barrel 6mm ARC 20 Barrel CMMG AR15 Barrel 6mm ARC 20 Barrel View Details
$208.99 $239.95
13% off
Buy Now · $208.99
GrabAGun
GrabAGun
Last Updated:
Oct 11, 2026 12:11 PM
CMMG BBL 5.7X28 10.4 PS90 CMMG BBL 5.7X28 10.4 PS90 View Details
$259.99 $299.95
13% off
Buy Now · $259.99
GrabAGun