BCA AEG Upgrade Spring (M90-M160) Power:M130 The materials have been tested

The materials have been tested to be abrasion resistant and will not lose any color from washing or drying

This is why we have developed the Smart Trigger function

1v Lipo Ready

Our High Power Airsoft Enhanced Biodegradable BB's are the world's only Bio BBs to be tested and confirmed biodegradable by an accredited U

BCA AEG Upgrade Spring (M90-M160) Power:M130 The materials have been testedBrands are as follows: BCA Ace1Arms SHS Spring M90 320 to 350 fps . 20g BBs varies by AEG. Spring M100 350 to 380 fps . 20g BBs varies by AEG. Spring M110 370 to 400 fps . 20g BBs varies by AEG. Spring M120 400 to 420 fps . 20g BBs varies by AEG. Spring M130 420 to 440fps . 20g BBs varies by AEG. Spring M140 450 to 460fps . 20g BBs varies by AEG. Spring M150 470 to 490fps . 20g BBs varies by AEG. Spring M160 500 to 550fps . 20g BBs varies by AEG.