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Specials Sale!
AR Barrels | Uppers | Rifles
Bolt-Action Rifle Barrels
Rimfire Barrels
Excursion Rifle
Product Details

Brand: Shaw® Barrels

18" HBar Contour, 416R Stainless Steel Matte
.750" Gas Block, Mid Length Gas System
1-15" Twist Rate (4 Groove), 5/8-24 Threads wA2 Flash Hider
12" Shaw Slim M-LOK® Handguard

Uses Standard 5.56 BCG/Charging Handle (Not Included)

Complete Upper Weight w/o BCG: 3.75 Pounds

*All uppers are function tested using factory ammunition on Mil-Spec lowers with carbine weight buffers.*
*300 Blackout magazines recommended for best function.
->Please note this upper is chambered for 300 HAM'R!

M-LOK® is a registered trademark of Magpul Industries Corp.

State Compliance

Check your State and Local laws before purchasing.  This item cannot be shipped to CO (Boulder, Denver, Vail), D.C., MA, WA.  Orders with shipping or billing addresses from any of these locations will be cancelled and charged a 10% processing fee. It is the responsibility of the purchaser to ensure compliance with all applicable laws when assembling firearm components.  Any item requiring return based on legality will be subject to a 25% fee; shipping charges will not be refunded.


WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to


300 HAM'R Upper, 18" Barrel, 12" Handguard

1 In Stock

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