In this video I’ll be reviewing and installing the new sig Sauer mcx rattler lt 6.75” 300 blackout conversion kit. I’ll go in depth on the entire upper and considerations on it and the process. If you want to see more videos like this, please like subscribe and share. If you questions or comments feel free to ask down below. Thanks for watching.
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I've been looking all over for this video – Great rundown, thanks for posting!