Sierra 308 150gr Pro-Hunter Bullet Heads Spitzer (100) 2130 brand_-H&N The extended 50mm length is

The extended 50mm length is a screw-in tube that fits flush with a knurled or grooved band for easy fitting and removal with a choke key

while a brass buckle lets you set the length anywhere between roughly 20 and 37 inches to suit your build and the way you carry

while two Velcro patches on the front take ID or unit patches and D-rings on the shoulder straps give further attachment points

Hudson & Co

Sierra 308 150gr Pro-Hunter Bullet Heads Spitzer (100) 2130 brand_-H&N The extended 50mm length isThe 150 grain #2130 has the Sierra's unique double tapered hunting jacket that has been field proven under all conceivable conditions. The 150 grain #2130 bullet is best suited to medium game. This bullet is extremely accurate, providing an undeniable edge in the game fields. Reliable expansion and deep penetration blended with Sierra's classic Spitzer flatbase profile makes these the bullets of choice with many 30 caliber riflemen.