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KF-1 5.45 AK74 / Tantal Composite Bolt Hold Open Follower, Polymer Magazines Group A – Kobold Customs


In stock (can be backordered)

SKU: KC-MF4-A1 Categories: , , , Product ID: 3616


Bolt hold open follower for 5.45×39 AK74/Tantal pattern rifles and compatibles.

The BHO-style follower is fitted with extended tab designed to hold the bolt in the rear position when magazine is emptied.

Updated design based on further tests and user feedback.

Stubby feed ramp design for better compatibility with different rifles. Also permits use in blanks-only magazines.

Revised material treatment for maximum impact and thermal resistance.

Special polymer construction prevents accelerated wear of bolt face and magazine bodies.

No special tools required to install.

Comes pre-impregnated with lubricant.

Optimized for use in following 5.45×39 magazines:

  • WBP Rogów polymer
  • Polish Tantal black and transparent polymer
  • Soviet bakelite
  • East German bakelite
  • Russian plum and black polymer
  • ISD Bulgaria polymer

Should NOT be installed in:

  • Magpul PMAG
  • IMI polymer
  • AC Unity polymer
  • 5.56 AK magazines

5.56×45 variant of this follower available here:


  • Manufacturer / Brand: Kobold Customs
  • Compatibility: AK74 polymer magazines (see list above)
  • KDI designation: KF-1


  • Carbon fiber reinforced polyamide


  • Condition: New
  • Backorder available when not in stock (lead time of ~1 week)

Use of these followers in some specific magazine body-rifle combinations might result in overall reduction of magazine capacity or feeding issues. If you are not sure if these followers will fit into your magazines, please send us an email and we will try to verify their compatibility.

Additional information

Weight 55 g
Brand / Origin

Kobold Customs