Overview Reviews Product Description Empire Seal Retaining Spring (#50) This is the main spring in the regulator Seal Retaining Spring for all Empire Resurrection & Sniper Inline / Vertical Regulator. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Empire Seal Retaining Spring - Main Spring Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments