Glock Barrel GEN1-4 G21 .45ACP

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Glock OEM barrel for GEN1-4 G21 Glocks
  • Glock OEM replacement barrel
  • Barrel rifling has octagonal profile with right hand twist
  • 4.60" - 117mm length
  • Fits Glock 21 or Glock 21SF GEN1-4
  • Engravings may vary
  • Part number 15 on the Glock schematic
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