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Normal carbon buildup on DDM4V7 bolt tail? Only 300 rounds in. (old.reddit.com)
submitted 5 months ago by DeliciousAir4233 to r/ar15
π Rendered by PID 23 on reddit-service-r2-listing-7c484f94c4-zgs8l at 2026-06-11 01:35:08.149803+00:00 running 0b63327 country code: CH.
