Ballistic BBL 16" 6.5 Grendel SPR Mid-Length Barrel - Precision Rifling for Superior AccuracyBallistic Advantage$204.25
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Alexander Arms
The Alexander Arms 6.5 Grendel 11.5" button rifled barrel is purpose-built for short-barreled rifle and pistol builds on the AR-15 platform. If you're assembling a compact 6.5 Grendel SBR or pistol, this barrel gives you a factory-quality foundation without the premium price of a complete upper receiver. It's 416R stainless steel, button-rifled for consistency, and comes with the barrel extension already installed—meaning you can move straight to gas tube and BCG selection rather than wrestling with headspace tools.
The 1:8 twist rate handles the full range of 6.5 Grendel ammunition, from 110-grain varmint loads to heavy 130-grain hunting rounds. The carbine-length gas port is positioned to work with standard carbine gas tubes, making parts sourcing straightforward. Threading is 5/8-24 TPI (right-hand), so you have plenty of muzzle brake and suppressor options—critical for a short-barrel gun where blast and report matter. The 60-degree crown is a professional touch that protects accuracy from the moment you install it.
Weighing 1.36 pounds and sized for a 0.875-inch gas block, this barrel is spec-matched to Alexander Arms' factory 6.5 Grendel uppers, so if you've run one of those and liked it, you know exactly what to expect. Every barrel ships fully inspected and ready for AR-15 assembly—no surprises, no rework needed.
| Caliber | 6.5 Grendel |
| Barrel Length | 11.5 inches |
| Material | 416R Stainless Steel |
| Rifling Type | Button-Rifled |
| Twist Rate | 1:8 |
| Muzzle Threading | 5/8-24 TPI (Right-Hand) |
| Muzzle Crown | 60-Degree |
| Gas Port Length | Carbine |
| Gas Block Diameter | 0.875 inches |
| Weight | 1.36 pounds |
| Platform | AR-15 |
| Barrel Extension | Installed |
Yes. This 11.5-inch barrel is designed specifically for short-barreled rifles and pistols on the AR-15 platform. The carbine-length gas port and barrel extension are already installed, so you can focus on gas tube, BCG, and upper receiver assembly.
The 1:8 twist is optimized for the full spectrum of 6.5 Grendel loads, including lighter varmint rounds and heavier hunting ammunition up to 130 grains.
The barrel is threaded 5/8-24 TPI (right-hand), which is standard for AR-platform muzzle brakes, flash hiders, and suppressors. You'll have a wide selection of options available.
Yes. The barrel extension is pre-installed and the barrel is fully inspected and ready for AR-15 assembly, eliminating headspace concerns and saving you setup time.
Alexander Arms
The Alexander Arms 6.5 Grendel 11.5" button rifled barrel is purpose-built for short-barreled rifle and pistol builds on the AR-15 platform. If you're assembling a compact 6.5 Grendel SBR or pistol, this barrel gives you a factory-quality foundation without the premium price of a complete upper receiver. It's 416R stainless steel, button-rifled for consistency, and comes with the barrel extension already installed—meaning you can move straight to gas tube and BCG selection rather than wrestling with headspace tools.
The 1:8 twist rate handles the full range of 6.5 Grendel ammunition, from 110-grain varmint loads to heavy 130-grain hunting rounds. The carbine-length gas port is positioned to work with standard carbine gas tubes, making parts sourcing straightforward. Threading is 5/8-24 TPI (right-hand), so you have plenty of muzzle brake and suppressor options—critical for a short-barrel gun where blast and report matter. The 60-degree crown is a professional touch that protects accuracy from the moment you install it.
Weighing 1.36 pounds and sized for a 0.875-inch gas block, this barrel is spec-matched to Alexander Arms' factory 6.5 Grendel uppers, so if you've run one of those and liked it, you know exactly what to expect. Every barrel ships fully inspected and ready for AR-15 assembly—no surprises, no rework needed.
| Caliber | 6.5 Grendel |
| Barrel Length | 11.5 inches |
| Material | 416R Stainless Steel |
| Rifling Type | Button-Rifled |
| Twist Rate | 1:8 |
| Muzzle Threading | 5/8-24 TPI (Right-Hand) |
| Muzzle Crown | 60-Degree |
| Gas Port Length | Carbine |
| Gas Block Diameter | 0.875 inches |
| Weight | 1.36 pounds |
| Platform | AR-15 |
| Barrel Extension | Installed |
Yes. This 11.5-inch barrel is designed specifically for short-barreled rifles and pistols on the AR-15 platform. The carbine-length gas port and barrel extension are already installed, so you can focus on gas tube, BCG, and upper receiver assembly.
The 1:8 twist is optimized for the full spectrum of 6.5 Grendel loads, including lighter varmint rounds and heavier hunting ammunition up to 130 grains.
The barrel is threaded 5/8-24 TPI (right-hand), which is standard for AR-platform muzzle brakes, flash hiders, and suppressors. You'll have a wide selection of options available.
Yes. The barrel extension is pre-installed and the barrel is fully inspected and ready for AR-15 assembly, eliminating headspace concerns and saving you setup time.
