What barrel length is best for 300BLK AR-15s? 300BLK vs. 5.56? 300BLK vs. 7.62x39? Best twist rate for 300 Blackout? Let's find out!

1776 United shirts [including Taxation]: (use code 1776Mrgunsngear for 10% off): [ Ссылка ]

Nine Line Apparel Shirts (discount code MGNG15): [ Ссылка ]

Forged From Freedom Shirts: (code MRGUNS10 for 10% off):
[ Ссылка ]

My Amazon store:
[ Ссылка ]

[ Ссылка ]

[ Ссылка ]

Instagram.com/seniorgunsngear

www.twitter.com/mrgunsngear

Music by Machinima & Epidemic Sound

Disclaimer: These videos are strictly for educational and entertainment purposes only. Imitation or the use of anything demonstrated in my videos is done AT YOUR OWN RISK. All work on firearms should be carried out by a licensed individual and all state and federal rules apply to such. We (including YouTube) will not be held liable for any injury to yourself or damage to your firearms resulting from attempting anything shown in any our videos. I do not endorse any specific product and this video is not an attempt  to sell you a good or service. I am not a gun shop and DO NOT sell or deal in Firearms. Such a practice is heavily regulated and subject to applicable laws. I DO NOT sell parts, magazines, or firearms. These videos are free to watch and if anyone attempts to charge for this video notify us immediately. By viewing or flagging this video you are acknowledging the above.

Fair Use: In the rare instance I include someone else’s footage it is covered in Fair Use for Documentary and Educational purposes with intention of driving commentary and allowing freedom of speech.

свернуть