Magpul UBR Installation
- Before you begin, basic weapon safety must be followed at all times. Make sure that there is no ammunition in the chamber or magazine inserted.
- With a weapon now empty and in safety mode, push out your firearms take down pins, and gently remove the upper from the lower.
- Now that the old receiver extension is out, thread the Magpul UBR Entry length receiver extension carefully into the firearms receiver.
- With the receiver extension placed in securely, take the UBR stock, and firmly press it over the receiver extension.
- Insert the screw before tightly securing it. If you prefer to use some thread locking, now would be the best time to use a drop.
Full Answer
Step 1
Before you begin, basic weapon safety must be followed at all times. Make sure that there is no ammunition in the chamber or magazine inserted.
Step 2
With a weapon now empty and in safety mode, push out your firearms take down pins, and gently remove the upper from the lower. You will next need to remove the current stock from the firearm. If you have a fixed stock, be on the look out for an upper screw situated on the buttstock. This will need to be unscrewed before removing.
Step 3
Now that the old receiver extension is out, thread the Magpul UBR Entry length receiver extension carefully into the firearms receiver. Keep your finger placed down firmly over the buffer retaining pin until it’s recaptured. Secure down the end of the tube and make sure it fits snuggly.
Step 4
With the receiver extension placed in securely, take the UBR stock, and firmly press it over the receiver extension. It should be a snug fit, additional pressure may be needed in order for it to fit securely.
Step 5
Insert the screw before tightly securing it. If you prefer to use some thread locking, now would be the best time to use a drop. And there you have it, congratulations! You have now effortlessly installed your UBR, which means that you are now ready to function test your firearm.
