Geissele Ultra Duty Lower Parts Kit, Black, 05-435B - $116 Use the quality components included in this Geissele Ultra Duty Lower Parts Kit to build a more reliable weapon that will last significantly longer than with stock parts. All key components of these Geissele AR15 Lower Parts are made from

Geissele Ultra Duty Lower Parts Kit - From $123.25 Description The Geissele Ultra Duty Lower Parts Kit 1. Takedown Pin & Pivot Pin Detents (2) 2. Takedown Pin & Pivot Pin Springs (2) 3. Checkered Takedown Pivot Pin 4. Bolt Catch Plunger 5. Bolt Catch Spring 6. Bolt Catch Coiled Pin 7. Maritime Bolt