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BL401336G - .40 x 13/16 x 36 GM barrel  - Barrels

BL401336G - .40 x 13/16 x 36 GM barrel

.40 caliber 13/16" straight octagon barrel 36" long made by Green Mountain Barrel Co. 5/8-18 breech threads, 1 turn in 60".

$150.00 View Cart Check Out
BL401342G - .40 x 13/16 x 42 GM barrel  - Barrels

BL401342G - .40 x 13/16 x 42 GM barrel

.40 caliber 13/16" straight octagon barrel 42" long made by Green Mountain Barrel Co. 5/8-18 breech threads, 1 turn in 60".

$160.00 View Cart Check Out
BL451336G - .45 x 13/16 x 36 GM barrel *** OUT OF STOCK *** - Barrels

BL451336G - .45 x 13/16 x 36 GM barrel *** OUT OF STOCK ***

.45 caliber 13/16" straight octagon barrel 36" long made by Green Mountain Barrel Co. 5/8-18 breech threads, 1 turn in 60". *** OUT OF STOCK ***

$150.00 View Cart Check Out
BL451342G - .45 x 13/16 x 42 GM barrel  - Barrels

BL451342G - .45 x 13/16 x 42 GM barrel

.45 caliber 13/16" straight octagon barrel 42" long made by Green Mountain Barrel Co. 5/8-18 breech threads, 1 turn in 60".

$160.00 View Cart Check Out
BL451442G - .45 x 7/8 x 42 GM barrel - Barrels

BL451442G - .45 x 7/8 x 42 GM barrel

.45 cal 7/8" straight octagon barrel. Made by Green Mountain , breech threads 5/8-18, 1 Turn in 60.

$160.00 View Cart Check Out
BL501436G - .50 cal 7/8 X 36 GM barrel - Barrels

BL501436G - .50 cal 7/8 X 36 GM barrel

.50 caliber 7/8" straight octagon barrel 36" long. Made by Green Mountain Barrel Co.

$150.00 View Cart Check Out
BL501442G - .50 x 7/8 x42 GM barrel  - Barrels

BL501442G - .50 x 7/8 x42 GM barrel

.50 caliber 7/8" straight octagon barrel 42" long. Made by Green Mountain. Breech threads 5/8-18, 1 Turn in 70.

$160.00 View Cart Check Out
BL501536G - .50 x 15/16 x 36 GM barrel *** OUT OF STOCK *** - Barrels

BL501536G - .50 x 15/16 x 36 GM barrel *** OUT OF STOCK ***

Green Mountain Straight Octagon Rifle Barrel, breech threads 5/8-18, 1 Turn in 70. No breech plug included. *** OUT OF STOCK ***

$150.00 View Cart Check Out
BL501542G - .50 x 15/16 x 42 barrel by Green Mountain - Barrels

BL501542G - .50 x 15/16 x 42 barrel by Green Mountain

.50 cal 15/16" straight octagon by Green Mountain, breech threads 5/8-18, 1 Turn in 70". Square groove rifling.

$160.00 View Cart Check Out
BL501636G - .50 x 1 X 36 GM barrel  - Barrels

BL501636G - .50 x 1 X 36 GM barrel

Green Mountain Straight Octagon Rifle Barrel, breech threads 3/4-16, 1 Turn in 70 inches.

$150.00 View Cart Check Out
BL541536G - .54 cal 15/16 x 36 long barrel  - Barrels

BL541536G - .54 cal 15/16 x 36 long barrel

.54 caliber, 15/16" straight octagon Green Mountain Rifle Barrel, breech threads 5/8-18, 1 Turn in 70".

$150.00 View Cart Check Out
BL541542G - .54 cal 15/16 X 42 barrel  - Barrels

BL541542G - .54 cal 15/16 X 42 barrel

Green Mountain .54 caliber straight octagon barrel 15/16" across flats 42" long (rifled).

$160.00 View Cart Check Out
BLP451312G - .45 x 13/16 x 12 Pistol Barrel  - Barrels

BLP451312G - .45 x 13/16 x 12 Pistol Barrel

By Green Mountain Barrel Company. Straight Octagon, 5/8-18 breech threads, 1:20 (fast) twist. Square groove rifling. *You will need to order the breech plug that you wish.

$60.00 View Cart Check Out
BLP501412G - .50 cal X 7/8 pistol barrel  - Barrels

BLP501412G - .50 cal X 7/8 pistol barrel

.50 caliber 7/8" straight octagon pistol barrel 12" long. Square groove rifling with 1-20 twist. Made by Green Mountain Barrel Co. 5/8-18 breech threads .625 deep. *You will need to order the breech plug that you wish.

$60.00 View Cart Check Out

Muzzleloader Builder's Supply, P.O. Box 848, Aberdeen, ID 83210
Business Hours: Mon-Fri 9am-5pm
Email: mbssales@hotmail.com - Toll Free: 877 397-3008 - Fax: 208 397-3009
For international orders, please give us a call.
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