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Sig Sauer MCX-Spear LT Upper/Conv. Kit Black .300 AAC Blackout 9" Barrel

Ideal for tactical shooters and enthusiasts, the Sig Sauer MCX-Spear LT Upper/Conversion Kit in Black .300 AAC Blackout with a 9" barrel is a versatile and advanced solution for upgrading or customizing your M4/AR15 spec lower assembly. This kit is designed to enhance performance, adaptability, and durability, featuring a range of innovative features tailored for optimal operation in various settings, including suppressed fire.
$2,096.99
Out of stock
SKU
GAG_LS-UAMCX-300B-9B-LT-BLK

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More Information

Sig Sauer MCX-Spear LT Features

The MCX-Spear LT Upper/Conversion Kit sets itself apart with a dual rod recoil assembly that eliminates the need for a traditional buffer system, enabling a more compact and efficient design. The M4 adapter expands configuration options, allowing for Pic rail folding stock capabilities, enhancing the platform's versatility. An adjustable gas system permits fine-tuning for suppressor use, ensuring reliable performance under different operating conditions.

Further innovation is seen in the quick-change barrel design, facilitating easy caliber and barrel length swaps, and a gas piston design that significantly reduces carbon fouling on critical parts, extending the operational life of the system. Designed with durability in mind, this kit is intended to go 20k rounds before necessitating part replacements. The inclusion of an SLX/SLH Next Gen Suppressor Designed QD Flash Hider offers quick-detach adaptability, while the ambidextrous charging handle with a gas deflector adds to the user-friendly nature of the system.

Sig Sauer MCX-Spear LT Specifications

  • Model: SIG MCX-SPEAR LT
  • Caliber: 300 BLK
  • Barrel Length: 9"
  • Overall Length: 17.5"
  • Weight: 3lb, 14.7oz
  • Barrel Material: Nitride Coated Cold Hammer Forged
  • Barrel Rifling Type: Hammer Forged
  • Twist Rate: 1:5
  • Operating System: Gas Piston
  • Muzzle Device: 3-Prong/SIG Suppressor QD
  • Muzzle Thread Pitch: 5/8-24
  • Handguard Length: 7.94"
  • Handguard Inside Diameter: 1.48"
  • Handguard Material: Aluminum
  • Receiver Finish: Black Anodized
  • Bolt Carrier Group Included: Yes
  • Bolt Carrier Finish: DLC
  • Charging Handle Included: Yes
  • Forward Assist: Yes
  • Free Floated Handguard: Yes
More Information
Barrel Length 9
Caliber .300 AAC Blackout
Condition New in Box
Finish Per Color Black
Manufacturer Sig Sauer
Manufacturer Part Number UAMCX-300B-9B-LT-BLK
Model MCX-Spear LT Upper/Conv. Kit
Type Uppers
UPC 798681682522

WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV

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