Geissele Ultra Duty Lower Parts Kit, Black. No Grip

The Geissele Ultra Duty Lower Parts Kit is made for the most demanding operators and includes all the internal parts necessary to complete or rebuild your lower receiver. This top-tier LPK features proprietary Geissele designs, machined with great care at our facility located in North Wales, PA. Key components are made from Stainless Steel, which offers a much longer life-span and a much lower chance of rusting or failing in extreme conditions or under heavy use.


The Geissele Ultra Duty LPK includes our Maritime Bolt Catch, famous for its aggressive texturing and extended paddles, and our Ambidextrous Super Configurable Safety, which features the ability to easily and securely swap and exchange the safety levers plus provides the end user a satisfying and positive tactile feedback when the safe or fire position is engaged. The takedown pins and mag release button feature the same tank treading as the Maritime Bolt Catch, giving your rifle a tasteful and cohesive look.


Included in the Ultra Duty LPK is Geissele’s Ultra Precision Trigger Guard, 5-axis machined out of a solid block of billet 7075 -T6 aluminum and Type-3 hardcoat anodize to ensure that your build stands apart from any other.

Geissele Ultra Duty Lower Parts Kit, Black. No Grip Specification

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 Catch 8. Safety Detent
9. Buffer Retainer 10. Buffer Retainer Spring
11. Safety Detent Spring 12. Checkered Takedown Pin
13. Magazine Release Button 14. Magazine Release Spring
15. Super Configurable Safety Selector 16. Magazine Catch
17. Coiled Trigger Guard Pin 18. Geissele Ultra Precision™ 5 Axis Trigger Guard
19. Hex Key  

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