“Sig Sauer 8900445 P320 9mm Luger 4.30″ Threaded Black Nitron for Sig P320 XCompact Subcompact No Loaded Chamber Indicator” has been added to your cart. View cart

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June 26, 2026Springfield Echelon 4.5″ Threaded Barrel Kit – 9mm Luger Black
$129.99
Springfield Echelon 4.5″ Threaded Barrel Kit – 9mm Luger Black
188 in stock
SKU: CSSI|FKEC0901TBKIT
Category: Handgun Barrels
Add suppressor capabilities to your Echelon™ pistol with a factory threaded drop-in barrel. Available in 9mm this threaded barrel features a black Melonite coating for rust-resistance and lubricity. The barrel comes with an included thread protector when a muzzle device is not in use.
- For use in any 4.5" Echelon pistol configuration.
| UPC | 706397971892 |
|---|---|
| Manufacturer | Springfield Armory |
| Manufacturer Part Number | EC0901TB-KIT |
| Length | 4.50" |
| Model | Echelon |
| Rate of Twist | 1:10" |
| Shipping Weight | 0.3 |



