T-Box Barrel’s Flagship Barrel
T-Box Barrels 6.5 Grendel barrels are becoming a very popular caliber change for shooters interested in accurate shot placement out a bit farther than the typical 5.56 or .223 AR-15 will take them. This round is excellent for both hunting and target practice.
T-Box Grendel barrels by default are chambered with a .300″ neck reamer. We use 1:7.5″ Twist blanks to achieve
T-Box Barrels are designed to be sub-MOA tack drivers when using match ammo and quality components.
Always chambered and head-spaced by hand to SAAMI specifications. Our barrels are designed to be sub-MOA tack drivers when using match ammo and quality components.
Matched Bolt: ALL T-Box Barrels come with a matched TBox brand Bolt
The T-Box Matched Bolt will provide you with a barrel that is headspaced to a specific bolt for the ultimate in Repeatability potential. This includes custom headspacing and a QPQ (Melonite) treated bolt.
- 416R Stainless Steel
- Button Rifling
- Hand Lapped
- Headspaced T-Box bolt
- Type II chamber
- .750 gas block
- Threaded and Crowned 5/8×24