Springer Custom Works VSR-10 Stainless Steel Spring Guide 7mmThe stainless steel Springer Custom Works spring guide is a great pair with the VSR 10 S triggers! Backed with its reliable and trust in the airsoft sniper community over the years, making it worth the pick up. Fits VSR10 type of cylinders One piece stainless steel spring guide for VSR 10s Bit longer than standard spring guides may not work with all brands of pistons ( can be shortened) Works best in the Action Army, Laylax, Stock cylinders springs 7.