- Manufacturer Ammo Incorporated
- Condition New
- Bullet Weight 62gr
- Projectile Type Penetrator
- Ammo Use Type Range Training, Self Defense
- Casing Type Brass
- Quantity 200
- Caliber 5.56x45
- Manufacturer SKU 556062SS109-A200
- Primer Type Boxer
- Muzzle Velocity (ft. per sec) 3100
- Muzzle Energy (ft. pounds) 1323
- Magnetic Yes
- UPC Barcode R0307202212606
- Q & A
An SS109 round is essentially identical to an M855 – it just doesn’t have green paint on its bullet’s tip. As such this cartridge’s 62 grain FMJ features a partial steel core, so it’s hard enough to penetrate sheet metal and other barriers that might have presented a challenge to traditional lead core projectiles. Because its core is comprised of lead and steel components, the SS109 also has a good chance of breaking in half during penetration to inflict double the wound channels.
This ammo’s heavier bullets are best stabilized by a barrel with a 1:9 or 1:8 twist, although you can certainly make do with a 1:7 twist so long as you’re not stretching the limits of your rifle’s range. Don’t fire SS109 bullets at steel targets – that will damage the targets, as well as pose a risk of dangerous ricochets. This ammo is American-made, brass-cased, Boxer-primed, non-corrosive and perfect for any handloader’s purposes!
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