KAK K-SPEC M16 AR-15 5.56/300 DOWNVENT DUAL EJECTOR COMPLETE CHROME & PHOSPHATE BOLT CARRIER GROUP - BCG

KAK INDUSTRY Complete M16 AR-15 5.56/.300 K-SPEC Enhanced Dual Ejector Downvent Black Chrome Phosphate Bolt Carrier Group (BCG)

Product Overview:

Enhance your AR-15 style firearm with the K-SPEC Enhanced Dual Ejector Downvent Black Chrome Phosphate Bolt Carrier Group (BCG), now available at BattleHawk Armory. Designed to increase reliability regardless of conditions—whether you're running suppressed or unsuppressed—the K-SPEC BCG is a true plug-and-play upgrade that adapts to any configuration your mission requires.

For those running suppressed, the K-SPEC requires no additional tuning or tweaking of the gas or recoil systems to run reliably. Like all KAK Industry BCGs, the K-SPEC is machined to the M16 full-auto profile.

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Key Features:

• Optimized for Suppressed and Unsuppressed Use:

  • Functions reliably without additional adjustments to the gas or recoil systems.
  • Ideal for all uses and conditions.

• Reduced Peak dB Report:

  • When used with a suppressor, the gas redirect design produces a quieter report, enhancing your shooting experience.

• Downward Gas Vents:

  • Gas relief ports are relocated underneath the carrier in the magazine feed lip channels.
  • Reduces gas blowback to the shooter’s face and minimizes debris vented towards the shooter.
  • Additional emergency relief ports mitigate structural damage in the event of a case head separation.
  • Testing shows no negative impact on magazine feeding or ammunition function, with negligible added heat.

• Slotted Angled Carrier Rails (Sandcutter Design):

  • Enhances functionality in adverse conditions such as sand, mud, dirt, and grime.
  • Rail cuts facilitate debris dispersion, ensuring ultra-high functionality even in the toughest environments, including suppressor fouling and foreign contaminants.
  • Strategically angled cuts move carbon fouling and debris into non-critical areas away from the upper receiver.

• Dual Ejectors:

  • Utilizes mil-spec ejectors and springs that require no proprietary parts.
  • Ejector holes are centered on the lugs to maintain bolt strength.
  • Increases ejection reliability and consistency.
  • Built on over a decade of experience manufacturing dual ejector bolts for the AR-10/LR-308 platform.

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Technical Specifications:

• Designed to Function Reliably in the Toughest Conditions
• Full Auto Profile
• Permatex Added Between Gas Key and Carrier Mating Surface

Materials and Components:

• Carrier:

  • Material: 8620 Steel
  • Outside rails, bolt runs, and gas bores ground to .0002" tolerances
  • Finish: Chrome-Lined Phosphate

• Bolt:

  • Material: 9310 Steel
  • Outside diameters ground to .0002" tolerances
  • Finish: Phosphate
  • Testing: MPI Tested (Magnetic Particle Inspection)

• Firing Pin:

  • Material: 8740 Steel
  • Swiss turned, heat-treated, precision ground, and chrome plated

• Cam Pin:

  • Material: 4140 Steel
  • Swiss turned, heat-treated
  • Finish: Phosphate

• Extractor:

  • Material: 4140 Steel
  • Fully machined
  • Finish: Phosphate

• Extractor Pin:

  • Material: S7 Tool Steel
  • Ground and heat-treated

• Ejector:

  • Material: S7 Tool Steel
  • Ground and heat-treated

• Gas Key:

  • Material: 4130 Steel, heat-treated
  • Secured with T25 Torx fasteners, torqued to spec
  • Properly staked using a hydraulic staking machine
  • Finish: Chrome-Lined Phosphate

• Weight:

  • 11.5 oz

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Manufacturing Excellence:

• In-House Production:

  • Machined and assembled entirely in-house at KAK Industry's Missouri facility.
  • Utilizes Doosan machining centers, Tsugami Swiss turning, and the latest in FANUC robotics for automated, precision manufacturing.

• Quality Assurance:

  • In-house automated Coordinate Measuring Machine (CMM) inspection processes ensure consistent quality and adherence to tight tolerances.

• Materials and Craftsmanship:

  • Made using only the finest steels and AR-15 parts.
  • Adheres to mil-spec and enhanced specifications for superior performance.

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Why Choose the K-SPEC BCG:

• Unmatched Reliability:

  • Designed to function flawlessly in the toughest conditions, whether suppressed or unsuppressed.

• Enhanced Performance:

  • Innovative features like downward gas vents and slotted angled carrier rails improve shooting comfort and firearm reliability.

• No Proprietary Parts:

  • Uses mil-spec components, ensuring easy maintenance and compatibility.

• Precision Engineering:

  • Manufactured to exacting standards with high-quality materials and finishes.

• 100% American Made:

  • Proudly supporting American manufacturing and engineering excellence.

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Now Available at BattleHawk Armory

Upgrade your AR-15 with the Complete M16 AR-15 5.56/.300 K-SPEC Enhanced Dual Ejector Downvent Black Chrome Phosphate Bolt Carrier Group and experience superior performance and reliability in every condition.

Manufacturer Part Number (MPN): MO-425-0512-003

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Note: The K-SPEC BCG combines multiple key features focused on increasing the reliability of your firearm, accommodating whatever configuration your mission requires. It's a truly plug-and-play solution that requires no additional tuning or tweaking of the gas or recoil systems to run reliably.