Lancer Systems: Replacement Carbon Fiber Handguard - Sig Sauer


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Sig MPX 
Lancer’s Carbon Fiber Handguard for the Sig Sauer MPX® is a lightweight M-LOK compatible upgrade for the standard OEM aluminum handguard. The LCH-MPX installs easily – utilizing the OEM mounting hardware – while being approximately 40% lighter than the original factory handguard. Lancer’s carbon fiber handguards are also engineered for use over top of most standard suppressors and have a much lower rate of thermal conductivity than aluminum handguards.

  • Available in five lengths: 4.5”, 6.5“, 8″, 10″, 14″ and 16″
  • M-LOK compatible slots on the top, sides, bottom, and bottom-angle surfaces
  • Inner Diameter: 1.8”
  • Outer Diameter: 2.0”
NOTE: The Lancer LCH-MPX is not compatible with the MPX Copperhead.


Sig MCX
Lancer’s Carbon Fiber Handguard for the Sig Sauer MCX® is a lightweight M-LOK compatible upgrade over the standard OEM handguard. The LCH-MCX installs easily – utilizing the OEM mounting hardware – while being approximately 40% lighter than the original factory handguard. Lancer’s carbon fiber handguards are also engineered for use over top of most standard suppressors and have a much lower rate of thermal conductivity than aluminum handguards.
  • Available in three lengths: 10.5”, 12“, 18”
  • Includes 1.5” top Picatinny rail extension
  • M-Lok slots on the top, sides, bottom, and bottom-angle surfaces
  • Inner Diameter: 1.8”
  • Outer Diameter: 2.0”

NOTE: The LCH-MCX is not compatible with the MCX Virtus


SIG516
Designed to fit the popular Sig Sauer 516 rifle, with piston operating systems. The Lancer piston rifle carbon fiber handguards will replace the OEM handguard and offer a substantial weight savings without sacrificing performance.

Contrary to popular belief, we designed these handguards in carbon fiber not for cosmetic reasons, but because our carbon fiber handguards are lighter, stronger, and less heat-conductive than their aluminum counterparts. While they are certainly one of the best options on the market for competition use, they are much more than just “go-fast parts”. The immense strength, durability, and low thermal conductivity of Lancer’s carbon fiber handguards have made them the favored handguard system for some of the most demanding military units and law enforcement agencies both in the United States and in our allied countries around the globe.

  • M-LOK compatible slots
  • Free-Float design
  • Available in two separate lengths
  • Octagon carbon fiber tube
  • Aluminum receiver extension with built-in Picatinny rail
  • Clearance to access gas block
  • SIG 516/716 extended handguards have a cut-out exposing the gas block top rail for access to gas adjustment. The Picatinny rail does not extend beyond the gas block.
  • Dimensions
    • Outside Diameter – 2″
    • Inside Diameter – 1.7″


SIG716
Designed to fit the popular Sig Sauer 716 rifle, with piston operating systems. The Lancer piston rifle carbon fiber handguards will replace the OEM handguard and offer a substantial weight savings without sacrificing performance.

Contrary to popular belief, we designed these handguards in carbon fiber not for cosmetic reasons, but because our carbon fiber handguards are lighter, stronger, and less heat-conductive than their aluminum counterparts. While they are certainly one of the best options on the market for competition use, they are much more than just “go-fast parts”. The immense strength, durability, and low thermal conductivity of Lancer’s carbon fiber handguards have made them the favored handguard system for some of the most demanding military units and law enforcement agencies both in the United States and in our allied countries around the globe.

  • M-LOK compatible slots
  • Free-Float design
  • Available in two separate lengths
  • Octagon carbon fiber tube
  • Aluminum receiver extension with built-in Picatinny rail
  • Clearance to access gas block
  • SIG 516/716 extended handguards have a cut-out exposing the gas block top rail for access to gas adjustment. The Picatinny rail does not extend beyond the gas block.
  • Dimensions
    • Outside Diameter – 2″
    • Inside Diameter – 1.7″

NOTE: The LCH716 is not compatible with the SIG 716 GEN 2
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