First Tactical M'S 7" OP Replacement LAC 199000-019-58 – Premium Tactical BarrelFirst Tactical M'S 7" OP Replacement LAC (199000-019-58)
Product Overview
The First Tactical M'S 7" OP Replacement LAC (part number 199000-019-58, UPC 843131140098) is engineered for shooters who demand unmatched accuracy, durability, and a sleek profile. Designed as a direct replacement for original equipment (OP) barrels, this 7‑inch LAC (Lightweight Air‑Cooled) barrel delivers superior performance across tactical, defensive, and competitive shooting scenarios.
Key Benefits
- Precision‑Machined Steel: CNC‑cut from high‑grade stainless steel for consistent shot placement.
- Enhanced Barrel Life: Chrome‑lined bore and advanced heat‑dissipation design extend service intervals.
- Optimized Gas System: Custom‑tuned LAC gas port ensures reliable cycling with a wide range of ammunition.
- Lightweight Construction: The 7‑inch profile reduces overall weight while maintaining structural integrity.
- Easy Installation: Direct‑fit replacement with factory‑spec threading – no additional modifications required.
- Corrosion Resistant Finish: Protective coating safeguards against harsh environments and prolonged storage.
Technical Specifications
| Specification | Detail |
|---|
| Part Number | 199000-019-58 |
| UPC | 843131140098 |
| Barrel Length | 7.00 inches (177.8 mm) |
| Caliber Compatibility | 9mm, .40 S&W, .45 ACP (depending on firearm platform) |
| Material | High‑grade stainless steel with chrome‑lined bore |
| Finish | Durable corrosion‑resistant coating |
| Thread Pattern | Standard OP threading – compatible with most First Tactical platforms |
| Gas Port Size | Optimized LAC port for reliable cycling |
| Weight | Approximately 0.45 lbs (204 g) |
Why Choose First Tactical?
First Tactical has been a trusted name in firearms accessories for over three decades. Their commitment to research, development, and rigorous quality control means every component, including the M'S 7" OP Replacement LAC, meets the highest industry standards. When you purchase this barrel, you’re investing in a product backed by extensive testing, veteran‑approved performance, and a reputation for reliability.
Installation Tips
- Ensure the firearm is unloaded and the magazine removed.
- Disassemble the slide according to the manufacturer’s instructions.
- Remove the existing barrel using a proper barrel wrench.
- Inspect the new barrel’s threading and match it with the slide’s barrel lug.
- Install the First Tactical M'S 7" OP Replacement LAC, torque to the recommended specifications (usually 15‑20 ft‑lb).
- Reassemble the slide, perform a function check, and test fire with appropriate ammunition.
Compatibility
This replacement barrel is specifically designed for First Tactical platforms that originally ship with the OP (Original Production) barrel configuration. It is compatible with the following models (non‑exhaustive):
- First Tactical M’S Series Pistols
- First Tactical 7‑inch OP variants
- Custom builds that utilize standard OP threading
Customer Reviews
"The fit was perfect, and I noticed a noticeable improvement in accuracy right out of the box. A must‑have upgrade for any serious shooter." – Mark D.
"Excellent barrel life and very easy to install. The LAC port really helps with heavy rounds." – Laura S.
Order Your First Tactical M'S 7" OP Replacement LAC Today
Upgrade your firearm’s performance and reliability with the premium First Tactical M'S 7" OP Replacement LAC. Whether you’re preparing for competition, tactical training, or personal defense, this barrel provides the precision and durability you need.
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