. Muzzleloader Barrels, Ruger 10/22, BPCR, Muzzleloading Supplies | Green Mountain Rifle Barrel CO.
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GMRB’s June Specials are Too!

All This Month, our M16 Style GM-M15, the M4 Style GM-M9, and the 10/22 Sporter 901914 .22LR Barrel are each ON SALE at 15% OFF!

Advance notice for our muzzleloader project builders:
Coming July First, there will be a price increase on Green Mountain Rifle Barrels’ 36” and 42” Black Powder Muzzle-Loader Blanks.
Thank you for your support.

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