Step 1: First Off, We Will List the Supplies. (sorry, No Pic)
3.a spring large enough to be as long as the distance from the midle peice in the stock to the part that tha connects from the gun.
4. a saw. (this depends on whether you have a first or second generation recon)
5.a pvc pipe with a lardger id than your spring.
Step 2: Cut
if your recon has an orange arm that comes out of the back then skip this step.
remove the two scews on the black peice and remove it. now cut off that end tube so tha when you put it back on the gun it looks like this: