Lead Star Arms Upper Receiver - Grunt-15 10.5" .223 Wylde with 11" Handguard (FDE)
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Lead Star Arms
Overview
The Lead Star Arms Grunt-15 Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 10.5-inch barrel optimized for 5.56 NATO caliber ammunition. Its A4 receiver type ensures compatibility with a wide range of components, making it a versatile choice for builders. This upper receiver commonly appears in compact builds aimed at enhancing maneuverability while maintaining effective performance in various shooting scenarios.
Specifications
Lead Star Arms Upper Receiver - Grunt-15 10.5" .223 Wylde with 11" Handguard (FDE)
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October 2026 on GunPartPicker
Lead Star Arms Upper Receiver - Grunt-15 10.5" .223 Wylde with 11" Handguard (FDE) ranked #232 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #386 of the 2,049 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO and nearly all AR-15.
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Frequently Built With
The part most often added in each category by the builds that include this one
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