20 Rounds of .300 AAC Blackout Ammo by Remington UMC - 150gr CTFB

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Ammo Overview

Ammo Quantity - 20 rounds per box
Ammo Manufacturer - Remington
Projectiles - 150 grain closed tip flat base (CTFB)
Ammo Casings - Boxer-primed brass
Muzzle Velocity - 1,905 fps
Muzzle Energy - 1,208 ft lbs


The Union Metallic Cartridge Company may no longer be around, but Remington still keeps its memory alive with their UMC line of ammunition. These 300 AAC Blackout range loads are a great way to create your own fond memories at the rifle range!

This ammo is loaded with closed tip flat base bullets. We’ve honestly never seen the CTFB bullet design outside of a Remington UMC cartridge, but don’t spend any time scratching your head wondering what it’s for. For all intents and purposes, the CTFB does everything an FMJ does. This ammo’s 150 grain projectiles accordingly feed smoothly in semi-auto rifles, resist deformation while preventing excessive barrel fouling, and exit the barrel at a rate of 1,905 fps before proceeding to exhibit flat trajectories. The CTFB is also devoid of steel, so no worries about whether this ammo will attract a magnet!

These rounds’ brass cases are brand new – they may look previously fired, but that’s just because they weren’t polished up after heat treatment made them stronger. Remington exclusively loads noncorrosive Boxer-primed 300 BLK ammo, and their cases are reloadable.

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