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Subsonic & Specialty Ammo   
 • 5.56/.223 Ultra Stealth Match Subsonic
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 • 7.62/.308 PBS-Precision Bonded Subsonic

 • .300 Winchester Magnum Subsonic
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Frangible Ammo
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 • .300 Winchester Magnum Frangible

Government & Military
 • 40mm CQB
 • 7.62/.308 Limited Penetration
 • 7.62 x 39 Facility Protection Frangible

 • 5.56/.223 Subsonic

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"The Straight Dope" Information and Tools
 • READ ME Proper Use of Subsonic Ammunition
 • Why use Phosphate Removal for Subsonic Ammunition?
 • Instructions on how to use EBR Phosphate Removal

 • Ballistics Calculator
 • Greenhill Formula For Rifling Twists
 • Twist Rate, continued

 • First-Round Pop
 • Subsonics Do Not Like Long Barrels!
 • The Use of Mil-Dots & Subsonic Ammunition
 • 7.62 Thumper vs. 7.62 PBS?
 • Speed of Sound Chart
 •
Use of Subsonic Ammunition
 • Verifying Stability
 • FAQ - Frequently Asked Questions

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A Most Useful Subsonic Tool!

2/28/2006 - If your rifle is zeroed for high velocity at 100 yards and has an optic with a Mil-Dot reticle, use the 3rd Mil-dot down as an aimpoint at 50 yards, and the fourth Mil-dot down for an aiming point at 100 yards for our subsonic ammunition.

This gives you a quick, tactical "aim-shoot" solution for most situations you will encounter without having to fuss with your scope.

This differs somewhat from platform to platform, but once you get used to your gun/scope, it will be within an inch of spot-on.

Engel Ballistic Research, Inc.
Phone (512) 360-5327 | Fax (512) 360-2652
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All prices FOB Smithville, Texas, U.S.A. & Subject to Change W/O Notice

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