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1. Building The 90 Grain AR-15, Part Three.

Author

Carlos, Joe

Subjects
AR-15 rifle, RIFLES, FIREARM design & construction, BULLETS, PROJECTILES, BALLISTICS, AMMUNITION, WEAPONS design & construction
Abstract

The article provides an overview of projectiles and loads for heavy bullet, the .223/5.56 AR-15s. Topics covered include some notes on brass, shoulder bump, and neck tension, the use of the Alliant Reloder 15 or Vihtavuori N140 powders in 90 grain loads for 20" service rifle barrels and suggestions to order the Bartlein Gain Twists with tall 0.218" land deep 0.2245" groove.

Published
2014

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