Home AR-15 Quick Tip: How To Install a Volquartsen THM Barrel on an M&P15-22

Quick Tip: How To Install a Volquartsen THM Barrel on an M&P15-22

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Brownells Gun Tech™ Steve Ostrem takes us step-by-step through installation of a Volquartsen Lightweight THM Tension Barrel on a Smith & Wesson M&P15-22. THM barrels have an outer sleeve of carbon fiber that maintains consistent tension on the stainless steel inner barrel. This results in a barrel that is both lightweight AND extremely accurate. Steve starts by securely clamping the M&P15-22’s upper receiver in a bench vise to remove the handguard plug, flash suppressor, and finally the barrel itself. Brownells doesn’t have a vise block for this upper, so Steve shows us how to secure it in the vise by the handguard without damaging it. The threads on the M&P15-22 barrel are very fine, and there are a lot of them so you’ll spend most of your time unscrewing and re-screwing the barrel nut! When you’re done, your already accurate .22 LR AR-15 will be even more accurate AND it’ll actually weigh less.

Items used in this video:
Volquartsen THM Tension Barrel for S&W M&P15-22 (#930-000-161)
Tacticool22 S&W M&P15-22 Barrel Nut Wrench (#100-015-709)

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16 COMMENTS

  1. Thanks Steve / ya know , because of your helpful videos i have ordered parts from you guys even when i could have got them cheaper elsewhere . To me you guys and Midway are very helpful and i appreciate it a lot = worth the extra small difference in savings !

  2. You should use masking tape over the exposed portion of the barrel so your barrel nut wrench doesnt mar the new barrel. Its a very simple piece of insurance.

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