Lead Star Arms Upper Receiver - Grunt-15 10.5" .223 Wylde with 11" Handguard (FDE)
Click to see full view
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)
Available Merchants
Price Alert
Log in to set a price alert on this product.
No Available merchants at this time.
August 2026 on GunPartPicker
Lead Star Arms Upper Receiver - Grunt-15 10.5" .223 Wylde with 11" Handguard (FDE) ranked #291 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #458 of the 1,636 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO and nearly all AR-15.
Updated · from real builds on GunPartPicker
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the 10 builds that include this one
Lead Star Arms Grunt-15 Complete Pistol Lower (Coyote)
Radian Weapons AR-15 Raptor-SD Ambidextrous Charging Handle OD Green
Viridian HS1 AR Handstop with Red Laser M-LOK - FDE
WMD Guns 5.56 AR-15 Bolt Carrier Group With Hammer - NIB-X Finish
Zaffiri Precision HD Fiber Optic Sight Set - HD.Sights
WMD Guns NIB-X AR-15 Bolt Catch
No reviews yet. Be the first to review this product!