X-Vision Optics just released the TR1, its first thermal reflex sight.
Gun Digest published the article X-Vision Optics Releases TR1 Thermo Reflex Sight
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Barrel Twist rate and Bullet Stability – What you need to know
Understanding Twist – Bullet Stabilization by Sierra Bullets’ Ballistic Technician Paul Box, for the Sierra Bullets Blog. According to the questions we receive on a daily bases on our 800