Pistol Caliber Side Charging Upper LRBHO | 9mm, .45 ACP, .40 S&W, 10mm

Pistol Caliber Side Charging Upper LRBHO | 9mm, .45 ACP, .40 S&W, 10mm

Complete your pistol caliber carbine (PCC) build with the Pistol Caliber Side Charging Upper LRBHO from New Frontier Armory. Crafted from 6061 billet aluminum, this upper is precision-machined for strength and longevity, offering exceptional performance for 9mm, .40 S&W, .45 ACP, and 10mm calibers. Featuring an adjustable tension slide lock and Last Round Bolt Hold Open (LRBHO), this upper offers advanced functionality and smooth operation for your build.

This side charging upper is designed to be compatible with Glock-style magazine lowers and most aftermarket components, ensuring that you can easily integrate it into your custom setup. Whether you're assembling a 9mm AR-9, .40 S&W AR, or .45 ACP AR, this upper provides the flexibility and reliability you need.

Key Features:

• 6061 Billet Aluminum: Machined from 6061 billet aluminum for superior durability and strength.
• Matte Black Hard-Coat Anodized Finish: Finished with a MIL 8625 Type 3 Class 2 anodizing, offering enhanced wear resistance and a professional matte black appearance.
• Side Charging Handle: Features an adjustable tension slide lock on the charging handle for easy and reliable operation.
• LRBHO (Last Round Bolt Hold Open): Keeps the bolt locked open when the magazine is empty for added reliability and ease of use.
• Rear Dust Cover Trap Door: Seals shut when mated with the lower to keep dirt and debris out.
• Compatibility: Designed for Glock-style lowers and compatible with most aftermarket parts and rails.
• Customizable Build: Compatible with 9mm, .40 S&W, .45 ACP, and 10mm barrels and bolts for a versatile build.
• Precision Machined: Manufactured to MILSPEC tolerances using state-of-the-art CNC equipment for consistent quality and precision.

Specifications:

• Manufacturer: New Frontier Armory / Spartans
• Model: Pistol Caliber Side Charging Upper with LRBHO
• Caliber: Multi (works with 9mm, .40 S&W, .45 ACP, and 10mm, depending on barrel and bolt selection)
• Material: 6061 Billet Aluminum
• Finish: Matte black hard-coat anodized per MIL 8625 Type 3 Class 2
• Weight: 13.6 oz
• Dimensions: 7.662″ (L) x 1.375″ (W) x 2.314″ (H)
• Charging Handle: Adjustable tension slide lock
• Dust Cover: Rear trap door
• Magazine Compatibility: Compatible with Glock-style magazines and lowers
• Designed for: Blowback systems (not compatible with Colt-style 9mm carbines)
• Buffer: Requires carbine buffer with spacer or a 9mm long buffer (failure to follow instructions may damage the rear door of the upper, not covered under warranty)
• Lead Time: Uppers are manufactured on a monthly schedule, with an estimated 8-week lead time for shipping.

Why Choose the Pistol Caliber Side Charging Upper LRBHO?

• Enhanced Functionality: The Last Round Bolt Hold Open feature and side charging handle design make this upper a practical choice for smooth, efficient shooting.
• Customization: Compatible with multiple calibers, allowing you to tailor your build to your specific needs.
• Strength and Durability: Precision-machined from 6061 billet aluminum for excellent strength and long-lasting durability.
• Seamless Integration: Designed for use with Glock-style lowers, and compatible with most AR-9 components and aftermarket parts, this upper gives you flexibility in your build.
• Clean Look: The rear dust cover trap door helps keep your components clean and protected when not in use, while the matte black anodized finish provides a sleek, tactical appearance.

Important Notes:

• Lead Time: Uppers are manufactured on a monthly basis. Please allow an 8-week lead time for shipping.
• Buffer Requirement: When building with this upper for 9mm or .40 S&W, use a carbine buffer with buffer spacer or a 9mm long buffer. Not following this recommendation may cause damage to the rear door of the upper, which is not covered under warranty.
• Rail System Compatibility: Some rail systems with anti-rotation tabs may need slight modification to fit this upper. This upper is designed for flush mounting rails and standard handguards.
• Magazine Compatibility: This upper is designed for Glock-style magazines and may not be compatible with Colt 9mm carbines.