Build with confidence using the Presma 31 Piece AR-15 Lower Parts Kit—a comprehensive, high-quality set that includes everything you need to complete your lower receiver. Whether you're assembling a new rifle or upgrading components, this kit ensures reliability and smooth operation.
? Complete Lower Build Solution
Includes all essential AR-15 lower parts, including a pistol grip, fire control group (FCG), trigger, and hammer—perfect for new builds or replacements.
? Precision-Machined Components
Each part is made to mil-spec standards for consistent performance and compatibility with most AR-15 lower receivers.
? Durable and Reliable
Crafted from quality materials, these parts are designed to withstand wear and tear, providing long-term reliability in both training and real-world conditions.
? Includes Full Fire Control Group (FCG)
Comes with trigger, hammer, disconnector, springs, and pins—everything needed for a crisp, responsive trigger pull.
? Ergonomic Pistol Grip
Features a comfortable, secure grip with included lock washer and screw for a secure fit.
? Ideal for Gunsmiths & DIY Builders
A smart choice for custom AR builds, repair projects, or replacing worn parts in your current setup.
? Kit Includes (31 Total Pieces):
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? Bolt Catch
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? Bolt Catch Plunger
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? Bolt Catch Roll Pin
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? Bolt Catch Spring
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? Buffer Retainer Pin
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? Buffer Retainer Spring
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? Detent Springs (2)
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? Disconnector
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? Disconnector Spring
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? Pistol Grip
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? Hammer
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? Hammer Pin
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? Hammer Spring
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? Magazine Catch Button
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? Magazine Catch Spring
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? Magazine Catch
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? Pistol Grip Lock Washer
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? Pistol Grip Screw
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? Pivot Pin
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? Pivot Pin Detent
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? Safety Detent
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? Selector
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? Selector Spring
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? Take Down Pin
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? Take Down Pin Detent
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? Trigger
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? Trigger Guard
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? Trigger Guard Roll Pin
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? Trigger Pin
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? Trigger Spring
Perfect for AR-15 enthusiasts, gunsmiths, and first-time builders alike!
No additional parts or modifications required. Installs easily in any standard AR-15 lower.
Ready to ship – order today and complete your build with quality you can trust!