2 and 3/32 inches long.

Bolt Drive Spring Guide Pin on the Tippmann 68 Carbine Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom ACT Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom E-Grip ACT Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom ACT RT Diagram
Bolt Drive Spring Guide Pin on the Tippmann Model 98 Diagram
Drive Pin on the Tippmann 98 Custom Pro Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom ACT Pro Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom E-Grip ACT Pro Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom ACT RT Pro Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom Platinum Series ACT Pro Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom Platinum Series Ultra Basic - Non ACT Diagram
Bolt Drive Spring Guide Pin on the Tippmann FT-12 Diagram
Drive Spring Guide Pin on the Tippmann Gryphon Diagram 2010-08-22
Bolt Drive Spring Guide Pin on the Tippmann Pro-Carbine Diagram
Bolt Drive Spring Guide Pin on the Tippmann A-5 Basic Diagram v2 2009-08-06
Drive Spring Guide Pin on the Tippmann A-5 Basic 2011 Diagram
Drive Spring Guide Pin on the Tippmann A-5 RT Body Diagram v2 2009-09-04
Guide Pin on the Tippmann Cronus Diagram (1 of 2)
Drive Spring Guide Pin on the Tippmann TMC 68Cal Manual 2018-04
Bolt Drive Spring Guide Pin on the Tippmann X7 Photographic Large Diagram
Bolt Drive Spring Guide Pin on the Tippmann X7 E-Grip Diagram 2007-11-26
Bolt Drive Spring Guide Pin on the Tippmann Triumph eXT Diagram
Bolt Drive Spring Guide Pin on the Tippmann Triumph XL Diagram
Bolt Drive Spring Guide Pin on the Tippmann Triumph XT Diagram
Bolt Drive Spring Guide Pin on the Tippmann X7 RT Diagram
Bolt Drive Spring Guide Pin on the Tippmann 98 Custom Diagram - Push Sear Style - Non ACT 2006-08-06
Guide Pin on the Tippmann FT-50 Lite Diagram and Parts List
Guide Pin on the Tippmann Vantage Diagram
Guide Pin on the Tippmann FT-50 Parts List and Diagram 2016-01-16