CMMG Barrel and Bolt Group Kit 4.5inch MT 4140CM 22LR

<p>Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go.<ul> <li>4.5" </li> <li>Medium Taper Profile</li> <li>4140 Chrome Moly</li> <li>Salt Bath Nitride Finish inside and out</li> <li>1:16 Twist</li> <li>22LR Sprorting Chamber</li> <li>Threaded 1/2-28</li> </ul></p>