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North Manufacturing Co., Inc.
P.O. Box 1010
Campbellsport, WI 53010
Phone 1.920.922.4882
Fax 1.920.922.4894
Email Us
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Bore & Twist Options - Conventional Rifling
| CALIBER |
TWIST* |
| .22 RF |
14, 16 |
| .224 (5.56mm) |
7, 8, 9, 10, 12, 13. 14, 15 |
| .243 (6 mm) |
8, 9, 10, 12, 13. 14, 15 |
| .257 |
12, 14 |
| .264 (6.5 mm) |
8, 9, 12 |
| .270 |
10 |
| .284 (7 mm) |
8, 9, 10, 15 |
| .308 |
10,12, 14, 15, 16 |
| .338 |
10 |
| .375 |
12 |
| .458 |
22 |
* inches/revolution.
We offer different numbers of lands and grooves in certain caliber and twists. Call for more information.
Broughton "5C ®" button barrels
| CALIBER |
TWIST* |
| 224 |
7, 8, 9,10,12,13,14,16RF, 17RF canted land |
| 243 |
7, 7.3, 8, 8.5, 9, 10, 12, 13.3, 14 canted land |
| 257 |
9, 10 canted land |
| 264 |
8, 9,12,14 canted land |
| 270 |
10 canted land |
| 284 |
8, 9, 10, 11 canted land |
| 308 |
8, 9,10, 11, 12, 13, 17 canted land |
| 338 |
9.3, 10 canted land |
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***Shooters are reporting more velocity, great accuracy, longer barrel life, reduced bolt pressure and ease in cleanability with the Broughton "5C ®" barrels. Order yours today!
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