I am using Burris Tac 30s on my 18" and 20". Running a leupold Mark AR Mod1!with Firedot TMR on my 16" 6.8 SPC II. For close work I use a Simmons 1.5-5 shotgun scope with the diamond plex. Had the Simmons for 14 years and it held up to 3" copper solid magnum loads and 150gr of black powder with a 300gr bullet.

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