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The TandemKross Spitfire Lightweight Barrel takes the classic 10/22 platform and strips it down to the essentials, using a slim stainless steel barrel tensioned inside an aluminum shroud instead of relying on a heavy bull barrel profile for rigidity. That approach gets you the stiffness and heat resistance of a bull barrel without hauling around the extra ounces, which matters a lot once you start swinging the rifle around a stage or carrying it all day. This particular version comes in black on black, giving your build a clean, tactical look that still shows off the barrel's angular M-LOK cuts.
Most of the weight savings comes down to how the barrel and shroud work together. The stainless barrel itself is turned down to an aggressively thin profile, and the aluminum shroud that surrounds it applies tension at the breech and muzzle to keep everything rigid and resistant to heat warping. The whole assembly comes in right around 11.2 ounces bare, or about 11.5 ounces with the thread protector installed, which is a massive difference compared to a standard factory barrel. A hardened chamber face is built in too, so it can handle high round counts without losing its edge.
What really sets this barrel apart from other lightweight options is that the M-LOK slots are machined directly into the shroud itself, making it the first 10/22 barrel to offer that kind of direct mounting. That means you can add lights, sights, bipods, or a rail without stacking on a separate mounting system that adds bulk and weight right back. It pairs especially well with TandemKross's own fiber optic sight sets if you're running irons for speed shooting.
The muzzle end is threaded 1/2×28, the standard pitch for .22 LR muzzle devices, and ships with a thread protector and O-ring already installed so you're ready to shoot or add a brake or suppressor whenever you're ready. It drops into fixed barrel Ruger 10/22 and 22 Charger receivers, along with most clone actions built to accept standard fixed 10/22 style barrels, and works with either factory or aftermarket V-blocks. Because receivers and finishes vary a bit from gun to gun, expect some minor fitting during install, which is normal for aftermarket barrels on this platform.
It's built for fixed barrel Ruger 10/22 and 22 Charger receivers, and it also fits most clone actions designed around the standard fixed 10/22 barrel shank. Since receiver tolerances and finishes vary between manufacturers, you may run into some minor fitting during install, which is common with aftermarket 10/22 barrels in general. If you're building on a non-Ruger receiver, it's worth double checking the barrel channel dimensions first.
No, the barrel itself doesn't include a V-block, but it works fine with your factory V-block or a TandemKross aftermarket one. A lot of people upgrade to a stiffer V-block at the same time since it helps control barrel droop, especially with a thinner barrel profile like this one.
Yes, the muzzle is threaded 1/2×28, which is the standard pitch for .22 LR suppressors, brakes, and compensators. It ships with a thread protector and O-ring already installed, so you can pull that off whenever you're ready to add a muzzle device.
The aluminum shroud tensions the thin stainless barrel to keep it rigid and resistant to heat warping, so accuracy holds up well even under a fast rate of fire. Owners running this barrel in competition setups have reported sub-1 inch groups at 100 yards with good ammo. Just keep in mind the twist rate is a fixed 1:16, which handles a wide range of .22 LR loads but isn't tuned for any one specific bullet weight.
| UPC | 769498486207 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | TK18N0545BWB1 |
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