Looking to build a custom AR-308 from the ground up? The Smith Defense Mil-Spec AR-308 Lower Receiver Parts Kit has everything you need to turn a stripped lower receiver into a complete, ready-to-assemble lower. Featuring Mil-Spec dimensions and a durable high-grade coating, this kit ensures proper fit, reliable performance, and long-lasting quality. Each component is proudly made in the USA and designed to work seamlessly with AR-308 platforms.
What’s Included in the Smith Defense AR-308 Lower Parts Kit:
Mil-Spec Fire Control Group:
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Trigger
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Hammer
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Disconnector
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Trigger Roll Pin
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Trigger Spring
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Hammer Roll Pin
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Hammer Spring
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Disconnector Spring
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.308 Takedown Pin
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.308 Pivot Pin
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Takedown Pin Detent
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Pivot Pin Detent
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Takedown Detent Spring
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Pivot Pin Detent Spring
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A2-Style Pistol Grip
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Pistol Grip Lock Washer
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Hex Pistol Grip Screw
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.308 Bolt Catch
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Bolt Catch Plunger
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.308 Bolt Catch Screw
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Bolt Catch Spring
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Magazine Catch
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Magazine Catch Button
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Magazine Catch Spring
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Buffer Retainer
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Buffer Retainer Spring
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Safety Selector
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Safety Selector Detent
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Safety Selector Detent Spring
From building a new rifle to refreshing the internals of an older AR-308 platform, the Smith Defense AR-308 Lower Parts Kit delivers the reliable performance and precision fit you need.
