I have posted several times about my SBR 300 Blackout rifle but never a picture of it so here it is....

(Next to it is my M4 with a Razor 7.62 suppressor)

Video is my sister shooting my SBR, two rounds 150 gr high velocity then two rounds 220 gr sub sonic , she did a good job considering she never shot a AR rifle before.

300 Blackout HV vs Sub sonic

Gunner

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https://www.instagram.com/41gunner/
41 Mags rule, Baers rock!