“Rival Arms RA20G103D Precision V1 Drop-In Barrel 9mm Luger 4.49″ Stainless PVD Finish 416R Stainless Steel Material for Glock 17 Gen5” has been added to your cart. View cart

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January 15, 2026Sig Sauer 8900443 P320 9mm Luger 5.50″ Threaded Black Nitron Steel, Fits Sig P320
$219.05
Sig Sauer 8900443 P320 9mm Luger 5.50″ Threaded Black Nitron Steel, Fits Sig P320
43 in stock
SKU: RSR|SG8900443
Category: Handgun Barrels
Replacement threaded barrel for SIG SAUER P320 Full-size with NO a loaded chamber indicator, chambered in 9mm. 5.5″ long. SIG SAUER factory replacement pistol barrels are specially heat-treated for toughness and durability. Thread configuration: 1/2-28 RH. **PLEASE NOTE** This barrel is NOT compatible with the P320 X-FIVE slide.
| UPC | 798681643318 |
|---|---|
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | 8900443 |
| Barrel Length | 5.5" |
| Caliber/Gauge | 9mm |
| Length | 5.50" |
| Model | P320 |
| Product Type | Barrel |
| Shipping Weight | 0.425 |
| Style | Threaded |





