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Cryptic 6.8 SPC / .224 Valkyrie / .338 Spectre Master Repair Kit is a bolt carrier group repair kit for AR-15 platforms. It includes Cam Pin (coating choices), Extractor (coating choices), Extractor Pin, Extractor Spring with Viton Insert (Viton Insert not included with .308 Win / 7.62x51 / 6.5 Creedmoor), Chrome Firing Pin, Firing Pin Retaining Pin, Ejector, Ejector Spring, Ejector Roll Pin, Gas Rings (3). Package Contents: Cryptic Master Repair Kit. Caliber options: .224 Valkyrie, .338 Spectre, 6.8 SPC.
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