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The original low pressure valve
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consistency and efficiency whilst keeping blowback to a minimum
our inline reg will not let you down at the chrono
Inception Designs Master Spring Set - Autococker Lowertube Kit The original low pressure valveMain Spring Set, Trigger Return Spring Set, Sear Spring Set, and Valve Spring SetSpring force can be easily seen from the number of coils on the spring. Less coils is stronger, more coils is weaker)We recommend using Main Spring B or C initially (B will give higher velocity)We recommend using Trigger return spring B initially (C requires a very well tuned gun and frame or will not work)We recommend sear spring C (Light Medium) but if the hammer skips
