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The Winchester SXP 20GA replacement barrel gives your Super X-Pump shotgun a fresh lease on life—or lets you configure it for a different role in the field. This 28-inch barrel comes fitted with a Modified choke and a brass bead front sight, ready to mount directly onto your existing SXP 3-inch receiver. Whether you're swapping from a rifled slug barrel to smooth bore, or just need a spare, this is a straightforward, no-fuss upgrade for 20-gauge shooters who want flexibility without buying a whole new gun.
The matte black finish resists glare and handles the elements the way a working shotgun should. At just over 2 pounds, the barrel keeps the gun reasonably balanced and pointable—important for upland hunting, clay sports, or anywhere you're shooting all day. The Invector-Plus flush choke system means you can swap chokes to match your load and distance, giving you genuine versatility without proprietary tools or headaches.
Winchester barrels are made to tight tolerances and last. If your SXP has seen miles of hunting or you simply want a dedicated barrel for a specific purpose, this one is built to the same standard as the original. Drop it on, pattern it with your favorite load, and get back in the field.
| Gauge | 20 |
| Chamber | 3 inch |
| Barrel Length | 28 inches |
| Weight | 2 lbs 5.2 oz |
| Barrel Finish | Matte Black |
| Rib Width | 1/4 inch |
| Front Sight | Brass Bead |
| Choke System | Invector-Plus Flush |
| Included Choke | Modified |
| Receiver Fit | Winchester Super X-Pump 3-inch |
| Material | Steel |
Yes, this barrel is designed specifically for Winchester Super X-Pump 3-inch receivers. Verify your shotgun is an SXP model before ordering.
The barrel ships with a Modified Invector-Plus flush choke installed. You can purchase additional flush chokes separately to customize your pattern for different hunting situations or clay sports.
Yes, the 28-inch barrel and 3-inch chamber are suitable for waterfowl with appropriate loads. The Modified choke is a solid middle-ground starting point, but you may want to experiment with different chokes and shot patterns for your specific conditions.
The barrel comes fully assembled and ready to install on your SXP receiver. Once mounted, pattern it with your chosen ammunition before hunting to confirm point of impact.

SKU: 115758502 • Weight: 2.33oz