MX-1 Handgun Fitment Chart & Beavertail Adapter Guide

MX-1 Exact Handgun Fitment Chart (Which Beavertail do I use?)

Because the MX-1 kit comes with all 7 Beavertail adapters included, you can fit over 70 different handgun models into a single chassis.

Please reference the master fitment chart below to determine exactly which Beavertail group to install for your specific make, model, and generation.

🟢 Beavertail Group A

Compatible Glock Models:

  • Glock 17: Gen 3, Gen 4, Gen 4 MOS, Gen 5, Gen 5 MOS

  • Glock 19: Gen 3, Gen 4, Gen 4 MOS, Gen 5, Gen 5 MOS

  • Glock 19X: Gen 5

  • Glock 22: Gen 3, Gen 4, Gen 5, Gen 5 MOS

  • Glock 23: Gen 3, Gen 4, Gen 5, Gen 5 MOS

  • Glock 31: Gen 3, Gen 4

  • Glock 32: Gen 3, Gen 4

  • Glock 34: Gen 3, Gen 4, Gen 4 MOS, Gen 5, Gen 5 MOS

  • Glock 35: Gen 3, Gen 4, Gen 4 MOS

  • Glock 37: Gen 4

  • Glock 38: Gen 4

  • Glock 44: Gen 4

  • Glock 45: Gen 5, Gen 5 MOS

  • Glock 47: Gen 4 MOS

🔵 Beavertail Group B

Compatible Glock Models:

  • Glock 20: Gen 3, Gen 4, Gen 5, Gen SF

  • Glock 21: Gen 3, Gen 4, Gen 5, Gen SF

  • Glock 29: Gen 3, Gen 4, Gen 5

  • Glock 30: Gen 3, Gen 4, Gen 5

🟡 Beavertail Group D

Compatible Glock Models:

  • Glock 43: Gen 4

🟠 Beavertail Group E

Compatible Glock Models:

  • Glock 26: Gen 3, Gen 4, Gen 5, Gen 5 MOS

  • Glock 27: Gen 3, Gen 4, Gen 5

  • Glock 33: Gen 3, Gen 4

  • Glock 36: Gen 3

  • Glock 39: Gen 3

🔴 Beavertail Group F

Compatible Non-Glock Platforms:

  • PSA Dagger: Compact, Compact X, Full Size-S, Full Size X

  • Polymer80 (P80): PFC9, PFS9, PF940C, PF940V2

  • Ruger: RXM

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