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5 Piece 6 Position Tube Spring End Plate Weight Castle Nut Kit - 3CR Tactical
Precision manufactured from premium, aircraft-grade aluminum and finished in a matte black hard Type III, Class II anodized Hard Coat. Zero-gap on install. Includes: 6 position buffer tube, mil-spec diameter, T6 aluminum Carbine Spring Standard End Plate 3oz weight Steel Castle nut Fits .223, 5.56, 300BLK applications