CMMG Front Sight Base Assembly “F” Marked .750

Original price was: $49.95.Current price is: $48.95.

Upgrade your AR-15 with the CMMG Front Sight Base Assembly “F” Marked .750! This phosphate-coated sight tower fits barrels with a .750″ gas system diameter and features an F-marked sight tower, sling loop, and bayonet lug. Expert pinning is required for installation, ensuring quick and accurate target acquisition. Made in the USA, this assembly guarantees reliability and precision when you need it most.

Availability: In stock SKU: 55DA338

CMMG AR-15 Front Sight Assembly .750 Barrel Diameter

Looking for a replacement gas block and front sight combination for your AR-15? Check out the CMMG Front Sight Base Assembly “F” Marked .750! This sight tower can be used on barrels with a .750″ gas system diameter and requires an area 2 inches long for mounting. The mounting procedure requires pinning on the barrel, so we recommend having a knowledgeable gunsmith or specialist do the job for you. With this assembly, you’ll be able to get back on target quickly and accurately – perfect for when you need it most. So don’t wait any longer, pick up a CMMG Front Sight Base Assembly .750 today!

CMMG Front Sight “F” Marked .750 Features:

  • Phosphate Coating
  • Fits .750″ barrel diameter
  • F Marked sight tower
  • sling loop and bayonet lug
  • Made in the USA
  • SKU: 55DA338

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov

CMMG machines their front sight base assembly to mil-spec dimensions for a reliable fit on standard barrel journals. The F-marked designation means the sight is calibrated for use with a flat-top upper receiver, compensating for the shorter distance between the front and rear sight planes compared to an A1-height front sight. In addition, the F-marked front sight base provides the correct elevation reference when used with a standard A2 or flat-top rear sight. Furthermore, the assembly includes all hardware for installation on a standard AR-15 upper receiver with a pinned front sight configuration. Also, the standard front sight post accepts any mil-spec post for replacement or adjustment. When you need a reliable F-marked front sight base that gives you accurate iron sight alignment, this CMMG assembly is a practical replacement or build option.

Weight 1 lbs
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  • What does F-marked mean? F-marked means the front sight base is calibrated for use with a flat-top upper receiver. It compensates for the shorter sight radius compared to an A1-height front sight base.
  • What barrel diameter does this fit? This front sight base fits a .750 inch barrel journal, which is the standard diameter for most AR-15 barrels at the gas block position.
  • Is it compatible with standard gas tubes? Yes. It accepts a standard carbine, mid-length, or rifle-length gas tube depending on your barrel’s gas port location.
  • Does it accept standard A2 front sight posts? Yes. It is compatible with standard mil-spec A2 front sight posts for replacement or elevation adjustment.
  • What hardware is included? The assembly includes the taper pins and any hardware needed for installation on a standard AR-15 barrel.