Service Bulletin: X-Bolt 300 Win Mag Magazine Replacement.

Service Bulletin: X-Bolt 300 Win Mag Magazine Replacement.


Replacement offer for Browning X-Bolt rifle MAGAZINES supplied with 300 Win. Mag. caliber rifles manufactured between August 2019 and March 2020

Replacement offer for Browning X-Bolt rifle MAGAZINES supplied with 300 Win. Mag. caliber rifles manufactured between August 2019 and March 2020


Magazine with distinct border around inscription
Magazine with distinct border around inscription

If you have a magazine that looks like this, with a distinct border around the inscription "Long Action",  please apply for a FREE replacement magazine immediately. See below for more examples of X-Bolt 300 Win Mag magazines affected by this Service Bulletin and magazines that are not affected.

Service Bulletin

Service Bulletin

Detachable magazines designed for use in X-Bolt rifles chambered in 300 Win. Mag. may experience feeding issues when used with certain types of 300 Win. Mag. ammunition.

The affected magazines were sold between August, 2019 and May, 2020 and were either included with the purchase of your X-Bolt rifle (chambered in 300 Win. Mag. only) or may have been purchased separately as spare or replacement magazines.

To determine whether your magazine is affected by this Service Bulletin, please look carefully at the inscription on the right side of your magazine. If your magazine contains a distinct border around the inscription “Long Magnum” as shown in Figure 1, it is subject to this Service Bulletin and should be returned to Browning. These magazines were available in black (Figure 1), Burnt Bronze Cerakote (Figure 2) and Tungsten Cerakote (Figure 3). If your magazine does not contain a distinct border (Figure 4 and Figure 5) your magazine should function properly and is not subject to this Service Bulletin.


Use the online ordering system to receive your replacement magazine. You must complete a separate Submission Form for each magazine that you are returning for replacement. For more information, U.S. customers may call our service department at 636-287-6800.

Use the online ordering system to receive your replacement magazine. You must complete a separate Submission Form for each magazine that you are returning for replacement. For more information, U.S. customers may call our service department at 636-287-6800.


CANADA RESIDENTS -- Residents of Canada should call the Canada customer support line at 1-800-746-7033 or email service.canada@browning.com


These magazines are subject to the Service Bulletin.

These magazines are subject to the Service Bulletin.

If your magazine contains a distinct border around the inscription “Long Magnum” as detailed in Figure 1, it is subject to this Service Bulletin and should be returned to Browning. 

Magazine with distinct border around inscription
Magazine with distinct border around inscription

Figure 1

Bronze magazine with distinct border around inscription
Bronze magazine with distinct border around inscription

Figure 2

Tungsten magazine with distinct border around inscription
Tungsten magazine with distinct border around inscription

Figure 3


These magazines do not need to be returned.

These magazines do not need to be returned.

If your magazine does not contain a distinct border, as shown in Figure 4 and Figure 5, your magazine should function properly and is not subject to this Service Bulletin.

If your magazine does not contain a distinct border, as shown in Figure 4 and Figure 5, your magazine should function properly and is not subject to this Service Bulletin.

Magazine with no border around inscription
Magazine with no border around inscription

Figure 4

Magazine with very light border around inscription.
Magazine with very light border around inscription.

Figure 5