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Lantac
Overview
The Lantac SF 15 AR Lower is a stripped lower receiver designed for the AR-15 platform, featuring a durable black hardcoat anodized finish. This forged lower is crafted to accommodate standard trigger pins with a diameter of .154 inches, ensuring compatibility with a wide range of components. Commonly found in builds utilizing a mid-length gas system and chambered in 5.56 NATO, this lower provides a solid foundation for a reliable and versatile rifle.
Specifications
October 2026 on GunPartPicker
LANTAC SF 15 AR Lower, Black - 01RVLWRSF15 ranked #335 of the 588 lower receivers builders added on GunPartPicker in October 2026. Builds with this lower receiver are split between 5.56 NATO (50%) and .223 Wylde (38%), split between mid-length (50%) and carbine-length (38%) gas systems, and nearly all AR-15.
It was out of stock everywhere we track every time we checked in October 2026, and today none of the 2 retailers we track has it in stock right now. Listed prices start at $189.99 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
ODIN Works .223 Wylde Complete AR-15 Upper 16.1" Mid-Length Barrel - M-LOK Rail
Colt Trigger & Disconnect Spring Assembly
Expo Arms AR-15 Ambidextrous Safety Selector
Expo Arms AR-15 Rugged Pistol Grip - Dark Earth
LBE Unlimited AR-15 Magazine Release, Black - ARMAGBUT
WMD Guns Nitromet AR-15 Bolt Catch
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Lantac SF 15 AR Lower, Black - 01RVLWRSF15
| Build | Parts | Total |
|---|---|---|
 | 25 | $541.70 |
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