. Muzzleloader Barrels, Ruger 10/22, BPCR, Muzzleloading Supplies | Green Mountain Rifle Barrel CO.
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March is Warming up,

GMRB’s March Specials are too!

All This Month, our GM-M15, 1960s era Pencil Profile 5.56mm, the Fluted, Stainless, 223 WYLDE GM-M18, and the M4 Style .22LR 901592 for the 10/22 are ON SALE at 15% OFF!

It’s NEW,


Click Here for details

The GM-M54 will stay at the Low, LOW Price of just $69.00!!

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.


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