Home / Davinci Performance PCC / Parts / Accessories / Gen 2 RDBS Spare Small Spring Kit Gen 2 RDBS Spare Small Spring Kit$20.00 Internal springs for the Gen2 Roller-Delayed Buffer System. 5 weak and 5 stiff springs. Gen 2 RDBS Spare Small Spring Kit quantity Add to cart Categories: Scheel Spare Parts, Davinci Performance PCC / Parts / Accessories Related products Customized Davinci Model DG-9 PCC Competition Ready $2417.00 Select options Buffer Bumper Tip $5.00 Add to cart Competition Magwell $105.00 Add to cart Buffer Recoil Spring Lightweight Blue 2pkg $15.00 Add to cart