About the Atlas Gunworks 4.25" Tool-less Guide Rod without Reverse Plug (Stainless Steel) This guide rod fits Springfield Prodigy, Staccato, 1911 DS, and 1911 handguns Compatibility (this will be on the test) Length: Please confirm your barrel length before selecting a guide rod and order the corresponding length: 4.25" Reverse Plug Compatibility Atlas Gunworks Pistols: Reverse plug compatible - Order the guide rod with an AGW reverse plug Other handmade 2011s: Reverse plug may be compatible Staccato Pistols: Reverse plug is not compatible - Order the correct guide rod only Prodigy: Reverse plug is not compatible - Order the correct guide rod only Features 1x 4.25" tool-less guide rod for Springfield Prodigy, Staccato, Etc. Reverse Plug not included (Use in conjunction with the factory Prodigy, Staccato, etc. reverse plug) Designed to replace the standard Springfield Prodigy guide rod Tool-less capability makes for quick and easy maintenance 1 of very few "drop in" parts for 1911/2011 style pistols