. Muzzleloader Barrels, Ruger 10/22, BPCR, Muzzleloading Supplies | Green Mountain Rifle Barrel CO.
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This February



We've put Some of Everything On Sale! Get the Stainless Bull Barrel, 901507,the 16”, Fluted 5.56mm GM-M6, or the 5.45x39 Polish GM-TANTAL at a Midwinter Sale Price!





NOTICE to owners of GMRB’s “Drop-In” barrels: There is a possibility that the nipple on your rifle is defective. Metric threads were installed on some barrels in place of the proper ¼-28 threads for nipples. These barrels, if affected, will bear a serial number between #030672 and #031352. If you have a barrel in this serial range and doubt the nipple threads please call Mike Hagar at 603-447-1095 or email mhagar@gmriflebarrel.com to arrange a return, inspection and repair if required. We apologize for any inconvenience.
Thank you for your support.



It’s NEW,

It’s LIMITED!

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Green Mountain Rifle Barrels provide the world's best competitive shooters and enthusiasts with accuracy and dependability they can count on. Uncompromising quality is achieved by crafting barrels using a hands-on approach in production. Individual attention is dedicated to ensure that each barrel is of the safest, most accurate and dependable quality. Select a category to left to view our premium quality replacement rifle barrels.




NEW From GMRB!

Green Mountain Rifle Barrel Co Now Offers LASER Engraving for a Truly CUSTOM Barrel For Your New Build!

Click HERE For More Details!





Come See Us!

Our New Retail Store is located right in front of our Factory at 153 West Main St in Conway, New Hampshire



Please note: Same-Day Shipment of in-stock orders is not Guaranteed. In-stock orders placed after 11:00 AM (Eastern) Thursday will be processed the following Monday. (holidays excluded) Please call us to discuss Time Sensitive requirements. Thank you