SilencerCo126514016
Silencerco AC1329 Threaded Barrel for Glock 26 - 1/2x28 Thread Pitch$143.65
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Availability: In Stock
Current Stock: Out of stock
The SilencerCo AC859 threaded barrel for Sig P226 is a drop-in replacement designed to convert your full-size P226 to suppressed fire. Chambered in 9x19mm and fitted with 1/2×28 muzzle threads, this barrel accepts most common suppressors built for the P226 platform. It's machined to factory specifications, so installation is straightforward—no gunsmithing required. If you're running a suppressor-ready setup or planning to go that route, this barrel simplifies the transition while maintaining the reliability and accuracy the P226 is known for.
Built from 416R stainless steel and finished in a non-reflective black nitride coating, the AC859 is made to withstand the demands of suppressed shooting. The 4.5-inch length matches the standard P226 full-size frame, and the 1-10 inch right-hand rifling twist is optimized for the 9mm cartridge across a broad range of loads and bullet weights.
Whether you're a suppressor enthusiast looking to tame muzzle report or you simply want the flexibility to run a can when the time comes, this barrel gives you that capability without replacing the entire pistol. It's a practical upgrade for shooters who already trust the P226 platform and want to keep shooting one.
| Caliber | 9x19mm |
| Muzzle Thread Pitch | 1/2×28 |
| Barrel Length | 4.5 inches |
| Rifling Twist | 1-10 inch (right-hand) |
| Material | 416R Stainless Steel |
| Finish | Black Nitride |
| Firearm Compatibility | Sig P226 (full-size, 9x19mm) |
Yes, this is a direct replacement for the P226 full-size frame chambered in 9x19mm with a standard 4.5-inch barrel. Installation is straightforward—it's machined to factory P226 specs and drops in without modification.
The 1/2×28 thread pitch is one of the most common muzzle thread standards for 9mm suppressors. Most popular P226-rated sound suppressors will be compatible, but always verify with your specific suppressor manufacturer before purchase.
No. The AC859 is designed as a drop-in replacement. Standard P226 field-stripping and reassembly procedures apply—no special tools or gunsmithing expertise required.
The AC859 features a 1-10 inch right-hand twist, which is standard for 9x19mm and provides stable ballistics across the full range of 9mm loads, from subsonic to full-power rounds.
SKU: 126512919 • Width: 1.2in • Height: 1.2in • Depth: 5.6in • Weight: 0.31oz
Availability: In Stock
Current Stock: Out of stock
The SilencerCo AC859 threaded barrel for Sig P226 is a drop-in replacement designed to convert your full-size P226 to suppressed fire. Chambered in 9x19mm and fitted with 1/2×28 muzzle threads, this barrel accepts most common suppressors built for the P226 platform. It's machined to factory specifications, so installation is straightforward—no gunsmithing required. If you're running a suppressor-ready setup or planning to go that route, this barrel simplifies the transition while maintaining the reliability and accuracy the P226 is known for.
Built from 416R stainless steel and finished in a non-reflective black nitride coating, the AC859 is made to withstand the demands of suppressed shooting. The 4.5-inch length matches the standard P226 full-size frame, and the 1-10 inch right-hand rifling twist is optimized for the 9mm cartridge across a broad range of loads and bullet weights.
Whether you're a suppressor enthusiast looking to tame muzzle report or you simply want the flexibility to run a can when the time comes, this barrel gives you that capability without replacing the entire pistol. It's a practical upgrade for shooters who already trust the P226 platform and want to keep shooting one.
| Caliber | 9x19mm |
| Muzzle Thread Pitch | 1/2×28 |
| Barrel Length | 4.5 inches |
| Rifling Twist | 1-10 inch (right-hand) |
| Material | 416R Stainless Steel |
| Finish | Black Nitride |
| Firearm Compatibility | Sig P226 (full-size, 9x19mm) |
Yes, this is a direct replacement for the P226 full-size frame chambered in 9x19mm with a standard 4.5-inch barrel. Installation is straightforward—it's machined to factory P226 specs and drops in without modification.
The 1/2×28 thread pitch is one of the most common muzzle thread standards for 9mm suppressors. Most popular P226-rated sound suppressors will be compatible, but always verify with your specific suppressor manufacturer before purchase.
No. The AC859 is designed as a drop-in replacement. Standard P226 field-stripping and reassembly procedures apply—no special tools or gunsmithing expertise required.
The AC859 features a 1-10 inch right-hand twist, which is standard for 9x19mm and provides stable ballistics across the full range of 9mm loads, from subsonic to full-power rounds.
SKU: 126512919 • Width: 1.2in • Height: 1.2in • Depth: 5.6in • Weight: 0.31oz