The Remington 700 SPS (Special Purpose Synthetic) is based on the 700 ADL, a rifle that Remington considers their workhorse model. The Model 700 SPS incorporates an improved synthetic stock, a carbon steel barrel without sights and a scope mount-ready receiver. When bedding the rifle, the receiver and barrel are removed from the synthetic stock, a layer of liquid fibreglass is poured into the stock, and the receiver and barrel are then replaced. Bedding the 700 SPS rifle barrel in fibreglass reduces barrel oscillations and helps improve accuracy.
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Things you need
- In-letting tool
- Modelling clay
- Fibreglass bedding compound
- Cleaner/degreaser, such as alcohol or grease-free electrical contact cleaner
- Masking tape
- Release agent
- Epoxy dyes
- Several sheets medium and fine sandpaper
- Rubber mallet
- 6 heavy rubber bands
Remove the receiver and barrel from the stock by removing the bolt located on the bottom of the stock. Remove the trigger guard from the stock and the trigger assembly, safety, bolt stop and bolt from the receiver.
Remove enough of the synthetic stock material from the barrel channel, using the in-letting tool, to provide 1/16 to 1/8 inch clearance between the rifle barrel and the stock forearm. Smooth the inside of the stock forearm using fine sandpaper.
Remove 1/16 inch of synthetic material where the receiver and recoil lug contact the stock. Leave these areas rough to provide a better anchor for the bedding material.
Remove all grease and oil from the recoil lug and receiver and apply three layers of masking tape to the bottom, sides and front of the recoil lug; do not cover the back of the recoil lug with tape. Apply three layers of masking tape to the rear surface of the tang.
Fill all screw holes with modelling clay to keep the bedding material out, then apply masking tape to the outside of the stock around the receiver area and along the forearm to keep bedding material from flowing out and sticking to the stock.
Wrap a 1/16-inch thick layer of masking tape on the rifle barrel at the point where the barrel is even with the stock forearm. The wrap must extend about 1/8 inch into the forearm to support the barrel while the bedding material dries.
Apply the releasing agent to the receiver/barrel unit, ensuring that all metal is coated, and then mix the bedding material as the directions describe. Apply bedding material to all interior areas of the receiver, recoil lug and forearm, and then place the rifle receiver/barrel in the stock but do not secure with any bolts. Use the heavy rubber bands to hold the receiver/barrel in place for 48 hours while the bedding dries.
Remove the receiver/barrel after the bedding material has dried. Sharply tap the receiver/barrel with a rubber mallet to help free it from the bedding material. Remove all the clay from the screw holes, the tape from the receiver and recoil lug and any excess bedding material that has flowed out of the receiver/barrel area.
Colour any bedding material (using the epoxy dyes) that may be visible when the receiver/barrel is placed in the stock. Replace the bolt, safety, trigger assemble and trigger guard. Place the receiver/barrel into the stock and secure with the bolt located on the bottom of the stock. The rifle is ready to be fired and sighted.
Tips and warnings
- Mix more bedding material than you think you will need
- Before working on your rifle, make sure it is unloaded.
- Wear eye protection when working with bedding material (fibreglass).
- Work in a well-ventilated area.
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