In StockSave 30%
AT3 Tactical 5.56 NATO Pencil Profile 16 Inch AR-15 Barrel Black
Sold byOptics Planet•Posted May 18, 2026
$125.00
$178.99
You save $53.99 (30% off)
Price and stock data refresh continuously from Optics Planet.
Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
- SKU: 4U2-ATB-556NAT67-AT3-556-PEN-MID-16
- Brand: At3 Tactical
Price History
Deal Details
AT3 Tactical 5.56 NATO Pencil Profile 16 Inch AR-15 Barrel Black. 9-inch 5.56 NATO barrel features a midlength gas system for smoother recoil. This Pencil profile barrel uses 4150 CMV steel per Mil-B-11595E with a corrosion-resistant black nitride finish for enhanced longevity. If youre looking to upgrade from an M4 style carbine length system or building from scratch this barrel will perform for you. Specifications for AT3 Tactical 5.56 NATO Pencil Profile AR-15 Barrel: Manufacturer: AT3 Tactic