
Availability: In Stock
The Lead & Steel L&S LS9mm16-36 is a 16-inch AR9 9mm barrel built for shooters who want a shorter, more maneuverable platform without sacrificing sight radius or practical velocity. With its straight profile, this barrel suits both new builds and barrel swaps on existing 9mm AR lowers—ideal for pistol-caliber carbine hunters, competition shooters, and range enthusiasts who value handling and balance over long-distance reach. Whether you're running a 9mm upper as a dedicated training or varmint gun, or building a compact home-defense carbine, a quality barrel like this one is the foundation of reliable, repeatable performance.
At 16 inches, this barrel lands in the sweet spot for AR9 platforms: long enough to wring decent velocity and sight radius from 9mm, yet compact enough to keep your overall package maneuverable in tight spaces or from vehicle. The straight profile keeps weight down and harmonics simple, making it a straightforward choice for builders who want to avoid the complexity of profile transitions without sacrificing stiffness where it counts.
Lead & Steel is known for no-frills, affordable components that work. If you're assembling a 9mm AR from scratch or swapping barrels to experiment with different lengths and configurations, this 16-inch straight-profile option delivers the spec you need at a reasonable price point. Verify compatibility with your existing upper receiver before purchase—this barrel is designed to fit standard 9mm AR uppers.
| Caliber | 9mm |
| Barrel Length | 16 inches |
| Profile | Straight |
| Platform | AR9 |
| Manufacturer | Lead & Steel Llc |
This barrel is designed for standard AR9 uppers. Always verify that your upper's bore, barrel extension, and feed ramp are compatible with 9mm before installation. When in doubt, reach out to us or consult your upper manufacturer.
A straight-profile barrel maintains a consistent diameter from breech to muzzle, with no taper or profile changes. This design keeps weight low, simplifies manufacturing tolerances, and provides adequate stiffness for a 16-inch 9mm setup. It's a no-nonsense choice for builders prioritizing simplicity and cost.
A 16-inch 9mm carbine can be used for small game and varmint hunting, depending on local regulations and ethical range. However, 9mm is best suited for closer-range work; its velocity and energy drop off significantly beyond 100 yards compared to centerfire rifle cartridges.
The product includes the barrel only. Installation typically requires a barrel vise block, armorer's wrench, or professional gunsmith service. You will need to source a compatible bolt carrier group, gas tube, and other components separately for a complete upper build.

SKU: 194199976 • Width: 3in • Height: 1.3in • Depth: 18in • Weight: 1oz





Availability: In Stock
The Lead & Steel L&S LS9mm16-36 is a 16-inch AR9 9mm barrel built for shooters who want a shorter, more maneuverable platform without sacrificing sight radius or practical velocity. With its straight profile, this barrel suits both new builds and barrel swaps on existing 9mm AR lowers—ideal for pistol-caliber carbine hunters, competition shooters, and range enthusiasts who value handling and balance over long-distance reach. Whether you're running a 9mm upper as a dedicated training or varmint gun, or building a compact home-defense carbine, a quality barrel like this one is the foundation of reliable, repeatable performance.
At 16 inches, this barrel lands in the sweet spot for AR9 platforms: long enough to wring decent velocity and sight radius from 9mm, yet compact enough to keep your overall package maneuverable in tight spaces or from vehicle. The straight profile keeps weight down and harmonics simple, making it a straightforward choice for builders who want to avoid the complexity of profile transitions without sacrificing stiffness where it counts.
Lead & Steel is known for no-frills, affordable components that work. If you're assembling a 9mm AR from scratch or swapping barrels to experiment with different lengths and configurations, this 16-inch straight-profile option delivers the spec you need at a reasonable price point. Verify compatibility with your existing upper receiver before purchase—this barrel is designed to fit standard 9mm AR uppers.
| Caliber | 9mm |
| Barrel Length | 16 inches |
| Profile | Straight |
| Platform | AR9 |
| Manufacturer | Lead & Steel Llc |
This barrel is designed for standard AR9 uppers. Always verify that your upper's bore, barrel extension, and feed ramp are compatible with 9mm before installation. When in doubt, reach out to us or consult your upper manufacturer.
A straight-profile barrel maintains a consistent diameter from breech to muzzle, with no taper or profile changes. This design keeps weight low, simplifies manufacturing tolerances, and provides adequate stiffness for a 16-inch 9mm setup. It's a no-nonsense choice for builders prioritizing simplicity and cost.
A 16-inch 9mm carbine can be used for small game and varmint hunting, depending on local regulations and ethical range. However, 9mm is best suited for closer-range work; its velocity and energy drop off significantly beyond 100 yards compared to centerfire rifle cartridges.
The product includes the barrel only. Installation typically requires a barrel vise block, armorer's wrench, or professional gunsmith service. You will need to source a compatible bolt carrier group, gas tube, and other components separately for a complete upper build.
SKU: 194199976 • Width: 3in • Height: 1.3in • Depth: 18in • Weight: 1oz
