Alpha AR-15 Lower Build Kit

Save 17 % MSRP: $119.99 $99.95

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Alpha AR-15 Lower Build Kit quantity

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The Alpha Lower Build Kit is an awesome kit and includes everything you need to finish your lower receiver. It features the popular Alpha stock AND since you already know you’ll be replacing that standard A2 style grip, we’re throwing in the TF Slim DI grip. It is textured, it is rubberized and it looks great.

Surplus Mil-Spec Lower Parts Kit

The Surplus complete lower parts kit is a mil-spec or better LPK with well-machined components.

Country of origin: USA / Taiwan

These lower parts kits are sourced directly from factories that produce components for defense contracts and consumer weapons manufacturers. Our Taiwan source is an ITAR-exempt manufacturer that exports to manufacturers and defense agencies around the world including the United States, Australia, Canada, England, Germany, Indonesia, Mexico, New Zealand, South Africa, Switzerland, United Arab Emirates.

Technical Specs

• 31 piece set to complete a lower.
• Machined parts, no MIM.
• Hammer 8620 Steel
• Trigger 8620 Steel
• Disconnector 4340 Steel
• Trigger Pin 4140 Steel
• Bolt Catch 4340 Steel
• Polymer Pistol Grip

Trinity Force Alpha Mil-Spec Stock

• Quick Disconnect Swivel Attachment
• Durable Polymer Stock

Discount Buffer / Receiver Extension Kit

• Mil-Spec Carbine Buffer Tube / Receiver Extension
• 3oz Carbine Buffer
• Carbine Buffer Spring
• Castle Nut/Receiver Nut
• Mil-Spec Receiver End Plate

Trinity Force DI SLIM GRIP (BLACK)

The DI Slim Pistol Grip is double injected for improved comfort and traction. Designed for the AR platform, this grip provides a slightly reduced grip angle for improved weapon leverage in close to long range applications, and a more positive contact when firing. This grip is designed to be used with rifles that feature a medium-to-extended length of pull.

• Direct Replacement for AR-15/M4 pistol-grip
• One-piece reinforced polymer construction
• Beavertail backstrap for improved ergonomics
• Lifetime Manufacturer Warranty

Compliance

NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.

Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.