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#THE BEST AR LOWER PARTS KIT HOW TO#
Finally lower parts kits allow users to learn how to safely operate firearms. Fourth lower parts kits allow users to experiment with different styles of firearms. Third lower parts kits allow users to create unique designs that cannot be created with standard factory equipment. Second lower parts kits allow users to customize their guns to suit their needs. First lower parts kits provide a quick and easy method of assembling a firearm. There are several benefits associated with using lower parts kits. Because of this a lower parts kit is required to allow users to interchange the bolt carriers between the two systems. While with a GAS rifle the bolt carrier group is attached to the receiver using pins. With a DI rifle the bolt carrier group is held in place using screws. However the way these parts are installed varies greatly between the two systems. Both DI and GAS systems utilize a bolt carrier group which holds the firing pin and extractor pins. For example there are two popular methods of building AR-15 rifles direct impingement (DI) and gas operated semi auto (GAS). The main reason why lower parts kits exist is because there are many different ways to build a gun. In addition most kits require specialized knowledge to properly assemble the kit. Most kits require special tools to install the components together. Some kits include only upper receivers while others contain everything needed to assemble a firearm including the barrel assembly.
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There are many different types of lower parts kits available today. Lower parts kits are designed to be assembled into complete firearms. How to choose the best AR Lower Parts Kit