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

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

Manufacturer: New Frontier Armory/ Spartans

Model: Side Charging AR-9 Stripped Billet Upper with LRBHO — LAST ROUND BOLT HOLD OPEN

Caliber: Multi (will accept any barrels, bolts and caliber designed for the AR-9/45 style platform)

Weight: 13.6 oz

 Other Specifications and Features:

• Machined from 6061 billet aluminum
• Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
• Compatible with all Glock Mag AR-9 components and most aftermarket parts
• Adjustable tension slide lock on charging handle
• Rear dust cover trap door that seals shut when mated with lower
• Manufactured to MILSPEC on state of the art CNC equipment for consistent quality parts and exacting tolerances
• Save money by building your own AR pistol caliber rifle from the ground up exactly the way you want it configured
• Designed to match lines with New Frontier Armory C-9 and C-45 Billet Lower and most forged lowers

**NOTE:  Some rail systems that use anti-rotation tabs may need slight modification to fit this upper.  It is designed for flush mounting rails and standard hand guards.

**NOTE: Not compatible with Colt 9mm Carbines

**When using this upper for a 9mm or .40 build you must either use a carbine buffer with our buffer spacer, or a 9mm LONG buffer.  Not following these instructions could cause damage to the rear door of the upper that will NOT be covered under warranty**