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Cavity Back 300 Blackout 195 grain MKZ sub ammunition
Cavity Back 300 Blackout 195 grain MKZ sub ammunition

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Our Price: $38.95

Quantity in Stock:2

Product Code: CB-MKZ-300BO-195-SUB-AMMO


OEM - Factory Loaded Ammunition

Boxes of 20 Rounds - New Brass

195 Grain Cavity Back Expanding Sub Sonic Bullet

1050 fps Average - Expands down to 400 FPS

As with all subs, proper cycling requires the use of a pistol length gas system for all barrel lengths. If using a suppressor, test the rounds at 10-20 ft without the suppressor to ensure the bullet stabilizes prior to using it with your can. If "keyholing" occurs, do not use with your can or damage will likely happen. A barrel twist rate of 1:7 or 1:8 both should adequately stabilize the projectile. This process should be done with any new projectile you use to prevent damage.

Due to the long and rounded shape of these bullets, CBB recommends the use of specific magazines to insure proper feeding. CBB recommends as mediocre option the GI Metal mags that have been windowed or the best option is the Lancer L5 AWM, as they work flawlessly with all blackout projectiles. The Lancer L5 are available at your favorite online store. Please do not complain about feeding issues if you aren't using the Lancer Mags.


We cannot ship ammo to Alaska, Hawaii or US Territories
The following locations have ORM-D restrictions:
Illinois a FOID card or FFL must be on file before we ship
California we will only ship to an FFL dealer, C&R holder with COE or a licensed ammo dealer

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