AR9 Conversion Kit - 5.5" Barrel, Magazine Block Adapter and Bolt Carrier Group
- SKU:
- 9MM55KIT
- UPC:
- 161467485561
Frequently bought together:
Description
Complete 9mm AR-15 Conversion Kit with 5.5" Barrel, Mag Adapter & BCG
Transform your standard AR-15 into a high-performance 9mm Pistol Caliber Carbine (PCC) with this comprehensive AR9 Conversion Kit. Engineered for simple drop-in conversion, this kit allows you to shoot affordable 9mm ammunition through your existing AR-15 lower receiver without permanent modifications or needing a dedicated 9mm hammer.
Kit Components & Features
Ghost Firearms 5.5" 9mm Barrel – Black
- Precision Machined: Crafted from high-strength Chromoly Steel with a sleek black finish.
- Optimal Twist Rate: Features a 1:10 twist rate engineered for maximum stability and accuracy with 9mm projectiles.
- Standard Muzzle Threading: Threaded in 1/2x36 to fit standard 9mm muzzle devices and suppressors.
- American Quality: Proudly manufactured in the USA by Ghost Firearms.
Ghost Firearms 9mm Drop-In Adapter Mag Block
- Colt-Style Compatibility: Converts standard AR-15 lowers to accept Colt-style 9mm magazines.
- Billet Aluminum Construction: Machined from durable 6000-series billet aluminum with a steel feed ramp insert for reliable feeding.
- Ammunition Recommendation: Optimized for use with 124-grain ammunition for seamless cycling.
Ramped 9mm Complete Bolt Carrier Group (BCG)
- Standard Hammer Compatible: Ramped bottom profile allows operation with standard .223/5.56mm fire control groups—no dedicated 9mm hammer required.
- One-Piece Ordnance Steel: Precision-machined from high-grade ordnance steel as a single unit for superior durability and blowback reliability.
- Includes Staked Key: Comes complete with a factory staked-on carrier key ready for immediate installation.
Specifications
- Caliber: 9x19mm Parabellum
- Barrel Length: 5.5"
- Barrel Material: Chromoly Steel
- Barrel Thread Pitch: 1/2x36
- Barrel Twist Rate: 1:10
- Magazine Adapter: Colt Style Drop-In Mag Block (6000 Series Billet Aluminum)
- BCG Type: Ramped 9mm Ordnance Steel Carrier Assembly
- Country of Origin: Made in the USA
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