| SELECT | 
4.00" | 
Optics + Light | 
509 W/ Vortex Viper or Venom, Trijicon RMR, SRO, Deltapoint Pro, Holosun 407, 507, 508, 509, or Burris Fastfire and Inforce APL, Olight PL-Pro or Valkyrie, Nightstick TWM-350, TWM-350S, TWM-850, TWM- 850S,  ITI M3, TLR-1, TLR-1HL, Surefire X200,
X300, 300V, or X300U | 
| SELECT | 
4.30" | 
Optics + Light | 
509 Compact Tactical W/ Vortex Viper or Venom, Trijicon RMR, SRO, Deltapoint Pro, Holosun 407,   507, 508, 509, or Burris Fastfire and Inforce APL, Olight PL-Pro or Valkyrie, Nightstick TWM-350, TWM- 350S, TWM-850, TWM-850S,  ITI M3, TLR-1, TLR-
1HL, Surefire X200, X300, 300V, or X300U | 
| SELECT | 
4.50" | 
Optics + Light | 
509 Tactical W/ Vortex Viper or Venom, Trijicon RMR, SRO, Deltapoint Pro, Holosun 407, 507, 508, 509, or Burris Fastfire and Inforce APL, Olight PL-Pro or Valkyrie, Nightstick TWM-350, TWM-350S, TWM- 850, TWM-850S,  ITI M3, TLR-1, TLR-1HL, Surefire X200, X300, 300V, or X300U |