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CMMG AR-15 Front Sight Assembly/Gas Block Assembly "F" Marked .750" Barrel Diameter Forged Steel Phosphate Black 55DA338

CMMG, Inc.
Ships from Warehouse 2
Typically ships within 1 to 2 business days.
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CMMG manufactures high quality parts and accessories for the AR-15 platform. This particular item is a replacement front sight assembly with gas block assembly. The front sight tower is designed to fit barrels what are .750" diameter with a gas journal approximately 2" long. This assembly requires pinning onto your barrel and the pins are sold separately. This unit should be installed by a gunsmith, or a competent AR-15 specialist only.

Specifications and Features:
CMMG Inc Replacement Part 55DA338
Front sight/gas block assembly
"F" Marked
.750" Barrel diameter
Sling loop
Bayonet lug

AR-15 barrels that are .750" diameter


Item#: ARR-118-142,3-1037844,6-1037844,7-55DA338,2-CMMG55DA338
Total number of Reviews: 1

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4.0 5
"Well made, BUT... requires precise drilling to secure it to the barrel."