$19.95
RED SPRING
The option with the most spring tension, this spring is suited for rifles and carbines with excessive bolt speeds.
This spring is suitable for 14.5″/16″ uppers with carbine length gas systems (which are typically over gassed), all suppressed rifles,
piston operated rifles, and 9mm conversions
| Weight | .5 lbs |
|---|---|
| Dimensions | 12 × 3 × 3 in |
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