Wilson Combat TRTTUH2 Tactical Trigger Unit Two-Stage Howe AR-15 Black Two-Stage Drop-in 4.5 - 5 lbs $189.95
Kel-Tec PLRSU582 PLR-22 Muzzle Brake Kit Black Steel with 1/2"-28 tpi Threads for 22 LR Kel-Tec PLR-16 $21.79