Davidson Defense Overrule w/Gauntlet Arms Brace 6-inch Pistol-Gas 1:7 .300 BLK AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit

Overrule 6-Inch Pistol-Gas 1-7 .300 BLK AR-15 Pistol Build Kit with Gauntlet Arms Polymer Brace and 7-Inch M-Lok Handguard

The Overrule with Gauntlet Arms Brace 6-inch pistol build kit is tailored for the AR-15 platform chambered in .300 Blackout. This kit includes a 6-inch .300 Blackout pistol barrel with 1-7 twist rate, designed for optimal performance with pistol-length gas system configuration. The barrel features a .750 diameter and is finished with durable nitride coating for wear resistance. The kit includes a 7-inch freefloat M-Lok handguard made from 6061-T6 aluminum, allowing versatile attachment options. The 7075-T6 aluminum upper receiver features M4 feed ramps and anodized finish for durability. Complementing the build is a .750 micro low-profile gas block and complete 9310 alloy steel bolt carrier group with nitride finish. The Gauntlet Arms polymer stabilizing brace in black provides added stability, and the heavy-duty aluminum pistol buffer tube ensures reliable operation. The included mil-spec charging handle and Pershing 5/8x24 steel flash can complete this build kit, making it ideal for customization and functionality.

Key Features

• 6-inch .300 Blackout barrel with 1-7 twist rate and nitride finish
• Steel barrel construction with 5/8x24 thread pitch and .750 diameter
• Pistol-length gas system with .750 micro low-profile gas block
• 7-inch freefloat M-Lok handguard made from 6061-T6 aluminum in black
• 7075-T6 aluminum upper receiver with M4 feed ramps and anodized finish
• 9310 alloy steel bolt carrier group with nitride finish
• Multi-caliber BCG compatible with 5.56, .223, .300, and .350
• Mil-spec quality AR-15 M4 charging handle
• Gauntlet Arms polymer stabilizing brace in black
• Heavy-duty aluminum pistol buffer tube
• Pershing 5/8x24 steel flash can muzzle device
• Complete build kit for customization and functionality

Perfect For

• AR-15 platform builders seeking .300 Blackout pistol configurations
• Gunsmiths who value customization and functionality with polymer braces
• Shooters requiring pistol-length gas systems with freefloat handguards
• Builders prioritizing versatile M-Lok attachment options and compact performance

6-Inch .300 Blackout Barrel with Nitride Finish

The 6-inch barrel is constructed from steel with nitride finish for durability and wear resistance. The 1-7 twist rate is designed for optimal performance, stabilizing both subsonic and supersonic .300 Blackout ammunition effectively. The .750 diameter ensures proper gas block fit, while the 5/8x24 thread pitch accommodates standard .300 Blackout muzzle devices including the included Pershing flash can. The pistol-length gas system is specifically configured for pistol-length setups, ensuring efficient cycling in this compact configuration. The .750 micro low-profile gas block delivers dependable gas operation beneath the handguard.

7-Inch Freefloat M-Lok Handguard and Upper Receiver

The 7-inch freefloat M-Lok handguard is made from 6061-T6 aluminum in black, allowing versatile attachment options for lights, grips, and accessories. The freefloat design eliminates contact with the barrel, preserving accuracy during extended shooting sessions. The M-Lok system provides modular mounting capability without adding rail weight. The handguard extends beyond the 6-inch barrel, providing forward hand placement and accessory mounting space. The upper receiver is made from 7075-T6 aluminum with M4 feed ramps and anodized finish for durability and reliable feeding.

Gauntlet Arms Polymer Brace and Buffer System

The Gauntlet Arms polymer stabilizing brace in black provides added stability for AR-15 pistol configurations. The heavy-duty aluminum pistol buffer tube ensures reliable operation and secure attachment for the stabilizing brace. The complete bolt carrier group is made from 9310 alloy steel with nitride finish, providing durability and efficient cycling with low-friction operation. This multi-caliber BCG is compatible with 5.56, .223, .300, and .350 calibers for build flexibility. The mil-spec quality AR-15 M4 charging handle provides reliable operation.

Complete Build Kit for Customization

The Pershing 5/8x24 steel flash can muzzle device directs blast forward and reduces side blast common in short-barrel configurations. This complete build kit is ideal for customization and functionality, including 6-inch nitride barrel, pistol-length gas system, 7-inch freefloat M-Lok handguard, upper receiver, bolt carrier group, charging handle, Gauntlet Arms polymer brace, pistol buffer tube, and Pershing flash can. The Overrule pistol build kit delivers optimal performance for .300 Blackout AR-15 platforms.

Follow safe handling practices and manufacturer instructions at all times.

Ensure compliance with all applicable laws.

Verify proper installation and compatibility of all components before use.

Confirm buffer system and brace are securely attached before operation.