LANTAC USA USR, Upper Standard Receiver, 556NATO, AR-15, M4 Feed Ramps, Anodized Black
Lantac USA
Overview
The LanTac USA LLC USR is a stripped upper receiver designed for the AR-15 platform, specifically chambered in 5.56 NATO. Featuring M4 feed ramps, this upper ensures reliable feeding and smooth operation when paired with various barrels and bolt carrier groups. This receiver is commonly utilized in builds that incorporate a carbine gas system, making it a versatile choice for builders looking to create reliable, high-performance rifles.
Specifications
LANTAC USA USR, Upper Standard Receiver, 556NATO, AR-15, M4 Feed Ramps, Anodized Black
Available Merchants(5)
Prices checked
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Build history on GunPartPicker
Builders have been adding the LANTAC USA USR, Upper Standard Receiver, 556NATO, AR-15, M4 Feed Ramps, Anodized Black to their builds on GunPartPicker since February 2026. All time, it ranks #911 of the 1,642 upper receivers builders have added.
It was in stock most days in August 2026, but today none of the 5 retailers we track has it in stock right now. The best price crept up from $139.99 to $156.99 over August 2026. Listed prices start at $139.99 at Optics Planet for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 5 builds that include this one
LANTAC Raven N15 Billet AR-15 Upper & Lower Receiver Set 01-RV-SET-N15-RAVEN Rifle .223/5.56 Semi-Auto Flared Magwell, 7075-T6 Anodized Black.
Radical Firearms A2 Flash Hider 5/8x24
JP AR-15 Silent Captured Spring - Gen 2
Expo Arms Combat Series 11.5" 5.56 NATO Chrome Lined AR-15 Barrel - Socom Profile - Carbine Length
LANTAC Spada AR-15 13.5" Free Float Handguard - 01HG013SPADAML
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 2 →Builds in the community that include the LanTac USA LLC USR, Upper Standard Receiver, 556NATO, AR-15, M4 Feed Ramps, Anodized Black
| Build | Parts | Total |
|---|---|---|
 | 24 | $1780.41 |
 | 8 | $1206.69 |
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