The WLA AR15 PISTOL CALIBER LOWER PARTS KIT is a specialized lower parts kit engineered specifically for builders constructing Pistol Caliber Carbines (PCCs) based on the AR-15 platform. This dedicated Pistol Caliber Lower Parts Kit (model WLA-LOW-1017-01) includes all the essential components needed to assemble a reliable and functional lower receiver for 9mm, .40 S&W, .45 ACP, and other pistol caliber AR builds. Manufactured by White Label Armory, this kit is designed to meet the unique requirements of pistol caliber firearms while maintaining compatibility with standard AR-15 lower receivers.
Why Choose the WLA AR15 Pistol Caliber Lower Parts Kit?
Standard AR-15 lower parts kits are not always optimized for pistol caliber builds. Pistol Caliber Carbines often require specific components to properly interface with dedicated PCC magazines and bolt carriers. The WLA Pistol Caliber Lower Parts Kit addresses these needs by including the correct magazine catch, bolt catch, and related hardware designed for reliable function in 9mm and other pistol caliber AR-15 platforms. This kit is ideal for builders creating competition PCCs, home defense firearms, or range toys who want a purpose-built parts kit rather than modifying a standard 5.56 lower parts kit. It provides a clean, professional foundation for any pistol caliber AR build.
Key Features of the WLA AR15 Pistol Caliber Lower Parts Kit
- Pistol Caliber Optimized – Specifically designed for 9mm, .40 S&W, and .45 ACP AR-15 builds
- Compatible Magazine Catch – Includes the correct magazine catch assembly for common PCC magazine systems
- Bolt Catch Assembly – Properly configured bolt catch for reliable last round hold open in pistol caliber platforms
- Complete Trigger Group – Includes trigger, hammer, and disconnector for smooth and reliable function
- Safety Selector – Safety selector, detent, and spring for positive engagement
- Pivot & Takedown Pins – High-quality pins with proper fitment for easy assembly
- Additional Hardware – Includes buffer retainer, spring, and other essential small parts
- Model WLA-LOW-1017-01 – Official White Label Armory part number with UPC 00810155160715
Performance and Build Quality
The WLA AR15 PISTOL CALIBER LOWER PARTS KIT is manufactured using high-quality steel components that are heat-treated for strength and finished for corrosion resistance. Each part is produced to tight tolerances to ensure proper fitment in standard AR-15 lower receivers used for pistol caliber builds. The magazine catch and bolt catch are specifically selected or modified to work reliably with pistol caliber magazines and bolt carriers. The trigger group delivers consistent performance suitable for both competition and defensive use. All springs are made from durable materials that maintain tension over extended use. This kit provides everything needed to complete a functional and reliable lower receiver for any pistol caliber AR-15 build without the need for additional modifications or parts sourcing.
Technical Specifications
| Product Name | WLA AR15 Pistol Caliber Lower Parts Kit |
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| Model Number | WLA-LOW-1017-01 |
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| UPC | 00810155160715 |
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| Compatibility | AR-15 Pistol Caliber Builds (9mm, .40, .45 ACP, etc.) |
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| Kit Type | Pistol Caliber Lower Parts Kit |
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| Material | High-Quality Steel Components |
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| Finish | Corrosion Resistant Coating |
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| Best For | 9mm AR Builds, PCC Competition, Pistol Caliber Carbines, Custom Builds |
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| Key Benefit | Specialized lower parts kit designed for pistol caliber AR-15 platforms |
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Build a reliable pistol caliber AR-15 with the right components.
The WLA Pistol Caliber Lower Parts Kit provides purpose-built parts for 9mm and other PCC platforms.
Important Notice: This product is a firearm component. Firearm accessory sales are subject to all applicable federal, state, and local laws. It is the buyer’s responsibility to know and comply with all applicable laws regarding the purchase and possession of firearm components. Must be 18 years or older to purchase. Keep out of reach of children. This product is intended for lawful use only.
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