• Geissele Reaction Block AR15/M4 (Mil-Spec Buffer Tube)
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Geissele Automatics

Geissele Reaction Block AR15/M4 (Mil-Spec Buffer Tube)

$210.00
$210.00
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Because you work directly with a family-run business that cares about getting it right.

B&B Firearms is built on faith, family, service, and real product knowledge. When you buy here, you are not supporting a giant corporation — you are working with a veteran-owned family business that values honesty, guidance, and doing right by people.

Geissele Reaction Block for AR-15/M4 lowers with mil-spec buffer tubes.

  • Mil-spec buffer tube only
  • Armorer's tool