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Questions & Answers
Will it work with a AR 9 lower? Expert Answer

Yes, the Geissele Standard Lower Parts Kit will be compatible with an AR9 lower receiver.

by Ethan, Gear Expert, April 12, 2023
Is this kit compatible with an AR-9 Build? Expert Answer

The Geissele Standard Lower Parts Kit is designed for use in Mil-Spec AR15 lower receivers. If you have a Mil-Spec lower then this Geissele Standard Lower Parts Kit will work.

by Hunter, Gear Expert, March 30, 2022
Customer Reviews
Helpful Positive Review
Geissele Lower Parts by Marco Polo, Verified Owner, May 5, 2026
Good Quality all around, although I wish Geissele and others would include a couple of extras of the things we all lose on the floor of our workshop - springs, detents…tiny parts that copst virtually nothing to them, but are easily lost on the floor....
Read More...
1/1 found this helpful
Helpful Positive Review
I have the Ultra Duty kit on order, too, but that was out of stock, so I ordered the Standard Duty kit as it was in stock. My expectations were for a decent basic lower parts kit at the price, and that's what I received. I will note that my kit had...
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6/7 found this helpful
Helpful Positive Review
Geissele = Quality and Value by Sassmaster, Verified Owner, November 30, 2024
I've been enjoying using quality Geissele products for more than a decade. Every item has been manufactured correctly and attractively. Their quality is suitable not only for competition but for suitable for hazardous duty.
1/1 found this helpful
Helpful Positive Review
geissele standard by Erik, March 14, 2025
No complaints. Standard offering with the quality anyone whos bought Geissele products before has come to expect. Really like the texture of the controls.
1/1 found this helpful
Helpful Positive Review
Geissele standard lower parts kit by Mutt, Verified Owner, May 20, 2025
Fit and finish were perfect. Fit my fn lower well. If you need a no nonsense lower parts kit... this is the one and very well priced for what you get.
1/1 found this helpful
Helpful Positive Review
100% worth the money by nemo, Verified Owner, June 20, 2025
Definitely worth the slightly higher price than similar products. Had trouble with fitment and clearances with other brands, where as the geissele kit fits perfectly with almost zero play, would highly recommend
1/1 found this helpful
Read All 33 Reviews
Color:
Multi
Gun Make:
AR Platform
Gun Model:
AR-15
Condition:
New

Code: 1TO-LPK-QR114D-05-343

MPN: 05-343

UPC: 817953025277

List: $92.61Save 33%
$62.00

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Geissele Standard Lpk

This Geissele Standard Lower Parts Kit provides all the essential components you need to complete or rebuild your lower receiver, but it does not include a grip. These Mil-Spec AR15 Lower Parts made by Geissele feature 18 different types of parts that all combine to ensure your lower receiver is functioning properly at its highest potential. Each Geissele 05-343 Standard Lower Parts Kit includes their Posi-Lock safety that offers positive tactile feedback when changing between the safe and fire positions, ensuring you know what mode your firearm is currently in. Use this Geissele Standard Lower Parts Kit, No Grip to create a rugged, reliable lower receiver for your next weapon build.image

WARNING: California`s Proposition 65

Specifications for Geissele Standard Lpk:

Manufacturer: Geissele
Color: Multi
Gun Make: AR Platform
Gun Model: AR-15
Condition: New
Country of Origin: USA

Package Contents:

  • Geissele Standard Lower Parts Kit

Geissele Standard Lpk Orderable Models

List of Orderable Models

  • Geissele Standard Lower Parts Kit, No Grip, 05-343 , MPN: 05-343 , UPC: 817953025277 , Code: 1TO-LPK-QR114D-05-343
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Last updated 2026-11-03 UTC.