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Spare or replacement O-Ring for MK23 non-blowback magazines
This O-Ring is manufactured by STTI, and is the main O-Ring for your magazine. If you have a leaking magazine, replacing the O-Ring can give your magazine a new lease of life
Tags: STTI MK23 Magazine O-Ring, GGH-0302P-ORING, STTi, Pistol Parts, Miscellaneous