Silent Industries Pink Nub for Alpha Chamber (Very Soft) Nub Type:Regular FEATURES Noise reduction rating +

FEATURES Noise reduction rating + NRR22

LCT Sport ZP-19-01

- Reinforced Polymer adapter bracket for added stock support and rigidity

Blue Nub for the Alpha Series hop-up chambers

Silent Industries Pink Nub for Alpha Chamber (Very Soft) Nub Type:Regular FEATURES Noise reduction rating +Pink Nub for the Alpha Series hop up chambers, basically an Omega nub on steroids! Why is it better than the current options? Same width as the hop up window, no side to side wobble Best for ML buckings (Extended recommended) Better for lower weight BBs (<0. 32) Regular and Extended versions available Easier installation, you dont need to center it Gives a bit more hop than ML Omega Precision molded Soft 50A silicone Easy on the bucking, wont puncture