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  "path": "/en/3d-model/various/mtw-barrel-anti-rotation-alignment-ring-replacement",
  "publishedAt": "2026-05-20T17:07:43.000Z",
  "site": "https://cults3d.com",
  "tags": [
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  "textContent": "Recently ordered an MTW Upper or lost the metal alignment ring? Here is a simple alternative.\n\nThis fits all MTW M4 and 308 uppers with the larger gap.",
  "title": "MTW Barrel Anti Rotation Alignment Ring Replacement"
}