June 26, 2021

Gunstock Refinishing with Linseed Oil

Are you considering Gunstock refinishing with linseed oil? Linseed oil is a common wood finish used by those making gunstock using traditional techniques. Most linseed oil finishes are applied by brush, but some prefer to use a “pad” made of a cloth or wad of newspaper. Oil is a biological resin that is found in the seeds of many plants, including flax. For centuries, linseed oil has been used to color sugar and produce varnishes for woodwork. Today, linseed oil is used to preserve wood and to decorate it with a variety of colors.

Image courtesy of StocksWall

What is Linseed Oil?

Linseed oil is flaxseed oil that uses a wood finish. It is sold raw and added to oil-based paints. Boiled linseed oil is rubbed on bare wood using your hands. It gives a finish to gunstock as it gives a durable and weatherproof seal. 

Linseed oil penetrates deep inside wood grain to protect your stock from scratches. It strengthens your wood so that it withstands the changes that come with humidity. A satin finish is what the oil aims to achieve. 

It brings out the natural color of your gun stock and does not hide the grain of the wood that tends to hide underneath. It is non-toxic and environmentally friendly and extracted from the seeds of the flax plant. Boiled linseed oil works on the surfaces. It is labeled BLO. 

The difference between boiled and unboiled linseed oil lies in the drying agents added to the boiled linseed oil. That makes it feasible in finishing wood. The additives reduce the drying time. It remains safe for food contact since it emits VOCs

Along the process of applying the linseed oil, you do not lose the color and texture of the wood grain. Scratches and dents are made easy to sand out. You are allowed to use the oil with other finishes such as wax. That increases protection. The oil has the highest level of ALA of any vegetable oil. 

See our post on a matte vs satin wood finish.

What are you going to need?

Flathead and Phillips screwdrivers

Use the screwdriver to re-coil the pad, butt plate, and sling swivels from the stock. 

Masking tape

Use the masking tape to cover the parts you are avoiding sanding. You would not want to sand some perfect area accidentally. When the final coat dries, remove the masking tape and apply one coat of oil to the checkering. Use a cloth to apply the final coat. 

Sandpaper block and fine-grit sandpaper

A piece of sandpaper is for removing the finish. Be gentle as you sand your surface. Work on the grooves and across the ridges using the block.  Insert a piece of sandpaper inside the sanding block as you prepare to sand the block. Use the grain to guide you. 

Soft cloth

Use the cloth to wipe off the old finish, dust, and dirt before you start rubbing in the oil. It has to be soft so that you do not scratch the gun.

Boiled linseed oil

When the stock is clean, apply drops of linseed oil on your fingers as you rub it into the wood. Wait for complete absorption. Three to four coats give a durable oil coat to the gun. Each oil coat has to dry overnight.

Rubber gloves

Rubber gloves protect you from chemicals from the finish remover. They protect your hands and skin. 

Spray-on finish remover

It is important to strip your stock of its old finish before you start working on your gunstock. The finisher has to be safe, biodegradable, and easy to use. Hang your gunstock so that you have easy access to the surface using a wire coat hanger. Honor the waiting time before you take off the old finish. 

Steel wool

Use the steel wool to wipe off sawdust. It gives a smooth finish to the gunstock. A cloth finalizes the cleaning process. The steel wool tears off extra grit on the outside of the stock. 

What is gunstock refinishing?

Gunstock refinishing is a process that involves reviving the old finish on your gun. Amongst the multiple finishes that you can get, the focus is on linseed oil. Applying the oil is a process that involves stages. 

They are worth following for a perfect project. You have to disassemble your gun for a finish. That helps your hand to maneuver the stock with all the parts involved. Make sure there are no bullets inside the gun. If you are afraid of mixing up the gun parts, label them. 

Cleaning the gunstock

When cleaning the gunstock, you are removing dirt, dust, and grease. After stripping off the old paint or finish on your stock, there are stains inside the pores and grease. That is why you need to clean the gunstock. 

Boil some water and use a degreasing substance. Allow the stock to sit in the degreasing agent for the required time. Pour your water on top of your gunstock and let it float for 5 minutes. Flip it to the other side and repeat the process till the water is warm. 

Drying

When your stock is clean, take it out of the water, hang it and let it dry. Heating decreases the drying time, and it is a result of the friction of rubbing. That creates a polished finish. Remove the old finish before you rub the oil. Weak points become visible when the stock is clean and dry. These include cracks that have to be filled before applying the oil. 

Buffing

Buffing your stock gun is a process that involves the application of wax to your gun stock to bring back the shining surface. Use a clean cloth to start buffing the gunstock. A thin coat will do the trick. Just the same way you buff your nails for a shiny effect is what happens on your gunstock.

How to strip the old finish

There is what is left on your stock from previous projects. Remove the original finishing stripper. A plastic stripper is safe to use since it does not scratch your gunstock. Follow the manufacturer’s instructions for a flawless surface. 

If the stock does not have many scratches, gently sand, but if there are more scratches, use more grit. You need protective clothing before you start removing the old finish. That includes goggles, rubber gloves, and a face mask. 

You are allowed to use chemical strippers from hardware stores. Conduct the process in a well-ventilated area and rub the stripper in small portions and a circular motion. Use steel wool and rub with the grain. 

Sanding

Sanding your stock gives you sawdust residue that you mix with your epoxy. The mixture fills up cracks. The wood mixture looks like wood mud. Use a toothpick or thin stick to push your mixture into the cracks. 

Go from lower number grits till you reach about 400 grit. Make use of sandpaper blocks or pads to curve the edges with ease. Sanding saves time and effort in smoothing the surface of your stock. An electric sander is not ideal for the job since it leaves swirl marks. They appear when you apply your stain.  

Applying the linseed oil

Use the spray version of the linseed oil. It is faster, easy to use and spreads evenly. Three coats are enough. Let each coat dry before you apply the second one. The process takes 8 to 12 hours. Use fine-grit sandpaper to sand the gunstock and between coats. That removes imperfections caused by the finish. 

Applying Lacquer

An exterior Lacquer is ideal for a gunstock as it is easy to apply. It gives protection to your gunstock. The oil finish gives the gun stock a glossy look that is appealing to the eye. Apply the finished form to a can or spray gun. Be careful when applying the oil since it is highly flammable.

Applying Polyurethane

Polyurethane is a finish that comes as an oil blend. It comes in multiple forms that you have to choose from. The liquid coating dries clear. Use a brush to apply. The type of resin protects your gunshot. 

Applying Wax

Wax is for buffing the gunstock. It gives your stock an eye-catching glossy finish. A thin layer of wax is enough. It has to be applied directly for better results. The wax gives it a shiny finish that shows the beauty of your surface.

Applying Clear Varnish

A clear varnish gives you a beautiful finish that is protective of your gunstock. The coating is tough and resistant to tear and wear. It works as a sealant with excellent waterproofing features. Allow the gun to dry before you put it to use and assemble the parts.

Video Tutorial

David D. Hughes
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