Description
There's a reason Tru-Oil shows up in gunsmith shops, on refinished heirloom rifles, and even on guitars and violins. This 8 oz bottle from Birchwood Casey is the same time-tested formula that's been the professional's pick for gun stock finishing for more than three decades. It uses a unique blend of linseed and other natural oils that soak into the wood, then build a tough, clear, hard surface that protects the stock and makes the grain pop. It dries fast between coats, resists water damage, and holds up over the years without clouding, yellowing, or cracking.
What Tru-Oil Does for Your Stock
Applied right, Tru-Oil penetrates deep and forms a durable film that both seals and shines. A lot of folks use their fingertip to rub thin coats into the wood, letting each one dry before knocking it down with fine steel wool or wet-or-dry paper, then adding more until the depth looks right. It's just as handy as a sealer under butt plates, recoil pads, and inside inletted actions, where it keeps moisture from creeping into bare wood and doing damage.
Getting the Look You Want with Tru-Oil
The finish you land on is up to you. Build up several full-strength coats for a glossy, deep look, or buff the final coat with steel wool and rubbing compound for a softer hand-rubbed satin luster. Because it goes on in thin layers, you have a lot of control over how much shine you end up with, which is why it's a favorite for both fresh builds and bringing a tired old stock back to life.
While it earned its name on firearms, Tru-Oil is right at home on furniture, wood turnings, tool handles, and other fine woodwork. Whether you're finishing a new stock, touching up a favorite hunting rifle, or working on a muzzleloader kit, this 8 oz bottle gives you enough to cover a full project with plenty to spare.
Key Specifications
- Manufacturer: Birchwood Casey
- Manufacturer Part Number: 23035
- UPC: 029057230352
- Product Type: Wood Finish
- Size: 8 fl. oz.
- Form: Liquid
- Finish: Clear
- Base: Blend of linseed and natural oils
- Suitable For: Wooden gun stocks, firearm furniture, and fine woodwork
- Quantity: 1
What’s Included
- One 8 oz bottle of Birchwood Casey Tru-Oil Gun Stock Finish
Frequently Asked Questions
How many coats of Tru-Oil should I put on a gun stock?
Most folks apply several thin coats rather than a few thick ones. A common approach is building up four or more full-strength coats, letting each dry and lightly knocking it down with fine steel wool or wet-or-dry paper before the next. The more coats you add, the deeper and glossier the finish gets, so you can stop when the look is right for you.
Can I get a satin finish instead of a high gloss with Tru-Oil?
Yes. Build your coats as usual, then buff the final coat with fine steel wool and a rubbing compound for a hand-rubbed satin luster. Adjusting how you finish that last coat is the easiest way to dial in the exact sheen you want.
Is Tru-Oil only for firearms?
Not at all. While it built its reputation on gun stocks, Tru-Oil is a favorite for furniture, wood turnings, tool handles, and even musical instruments. Anywhere you want a tough, clear finish that shows off wood grain, it works great.
Does Tru-Oil protect the wood from moisture?
It does. The finish penetrates deep and forms a hard, protective film that resists water damage. It's also a smart sealer for bare wood under butt plates, recoil pads, and inside inletted actions, where hidden moisture can otherwise cause trouble.



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