Overview Reviews Product Description CMMG Spring, Carbine Buffer Spring, Stainless Finish 55CA9A2 Product Videos Custom Field Product Reviews Write a Review Write a Review × CMMG CMMG SPRING ACTION AR15 CARBINE Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *