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AR Rifle Build Kits

Welcome to our AR 15 DIY (Do-It-Yourself) Rifle Build Kits category.

80Lowers can provide either Serialized or 80% Lowers CNC Machined from Billet Aluminum paired with one of these Rifle Kits that are then assembled into a completed Rifle by the Customer. These kits are customizable and built to order. All of our Upper Assemblies are head-spaced and test fired for quality, firing capabilities, and your safety. 80Lowers uses top quality, US made, mil-spec parts in our AR 15 Rifle Kits which include the Upper Assembly, Lower Parts Kit and Buttstock Assembly. All you need is a Stripped Lower Receiver or finished 80% Lower which Viper can provide…

You can view and order our AR 15 Rifle Kits with the following options:

Chome-Moly, Nitride Finished or Chrome Lined Barrels
M4 Carbine Barrel Profile with 1:7 or 1:9 Twist
And your choice of aftermarket parts such as Grips, Handguards and Stocks

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