
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.
Based on build data

Odin Works .223 Wylde Complete Ar-15 Upper 16.1" Mid-Length Barrel - M-Lok Rail
Upper Receiver
Colt Trigger & Disconnect Spring Assembly
Trigger
Expo Arms Ar-15 Rugged Pistol Grip - Dark Earth
Pistol Grip
Expo Arms Ar-15 Ambidextrous Safety Selector
Safety
Midwest Industries Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 9.25" Slim Line Handguard W/ Flip-Up Combat Sights
Handguard
Kak Barreled Ar-15 Upper Receiver - 5.56 Nato - 11.5"
Upper ReceiverAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Odin Works .223 Wylde Complete Ar-15 Upper 16.1" Mid-Length Barrel - M-Lok Rail | Upper Receiver | 3 |
| Colt Trigger & Disconnect Spring Assembly | Trigger | 3 |
| Expo Arms Ar-15 Rugged Pistol Grip - Dark Earth | Pistol Grip | 2 |
| Expo Arms Ar-15 Ambidextrous Safety Selector | Safety | 2 |
| Midwest Industries Ar-15 Slim Line Handguards W/ Flip-Up Combat Sights - 9.25" Slim Line Handguard W/ Flip-Up Combat Sights | Handguard | 2 |
| Kak Barreled Ar-15 Upper Receiver - 5.56 Nato - 11.5" | Upper Receiver | 2 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| .223 Wylde | 42.9% |
| 5.56 NATO | 42.9% |
| 9mm | 14.3% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 50% |
| Carbine | 37.5% |
| Rifle | 12.5% |
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