Build Out Your Lower With Premium Geissele Parts
The Geissele Standard AR-15 Lower Parts Kit provides most essential components you need to complete your lower receiver with the quality, reliability, and precision you expect from Geissele Automatics. Designed to meet or exceed mil-spec standards, every part in this kit is manufactured with tight tolerances and superior materials for smooth operation and long-term durability.
Features
- Precision-manufactured components for mil-spec AR-15 lower receivers
- High-quality springs, detents, and pins for reliable performance and long service life
- Excludes trigger, hammer, and pistol grip, saving you money on parts you most likely would change anyway
- Durable finishes to resist corrosion and wear in tough environments
- Made in the USA and backed by Geissele’s commitment to excellence
Includes
| 1. Takedown Pin & Pivot Pin Detents (2) |
2. Takedown Pin & Pivot Pin Springs (2) |
| 3. Takedown Pivot Pin |
4. Bolt Catch Plunger |
| 5. Bolt Catch Spring |
6. Bolt Catch Coiled Pin |
| 8. Safety Detent |
7. Mil-Spec Bolt Catch |
| 9. Buffer Retainer |
10. Buffer Retainer Spring |
| 11. Safety Detent Spring |
12. Takedown Pin |
| 14. Magazine Release Spring |
13. Magazine Release Button |
| 15. Geissele Posi-Lock Safety |
16. Magazine Catch |
| 17. Coiled Trigger Guard Pin |
18. Mil-Spec Trigger Guard |
Specifications
- Brand: Geissele
- Model: Standard AR-15 Lower Parts Kit
- MPN: 05-343
- Fit: Mil-spec AR-15 Lower Receivers
- Material: Stainless Steel and Aluminum
- Finish: Type III Hardcoat Anodized
- Colors: Black
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
Geissele Limited Lifetime Warranty
- Geissele Automatics warrants its firearms, components, and tools against defects in materials and workmanship during the lifetime of the product.
- Geissele Automatics does not warrant against normal wear and tear, items consumed or expended by their normal use (including springs, pins, etc.), product misuse (including criminal misuse, negligence or use under the influence of drugs or alcohol), accidental damage, or damage caused by improper handling, unapproved modifications to the product, defective or improper ammunition, or corrosion.
- Defective accessories (e.g., scopes, suppressors, flash hiders, sights, slings, parts with glass or electronic components, etc.) may be warranted by their original manufacturers but are not covered by this warranty.
If you submit a valid claim under this Limited Lifetime Warranty, Geissele Automatics will authorize your return of the product and, at its sole discretion, will:
- Repair the product, including replacement of defective parts with new or refurbished parts
- Replace the product with a product of equal or greater value.
If Geissele Automatics decides to replace a product under this warranty, Geissele will keep the product being replaced.
You must satisfy all terms and restrictions set forth in this Limited Lifetime Warranty and obtain a Return Material Authorization before shipping any product to Geissele Automatics.
Before shipping any product to Geissele Automatics, please ensure the following:
- The product has not been modified, is clean and any accessories have been removed (unless otherwise instructed by a Geissele Automatics technical support agent)
- There is no ammunition in any product or packaging
- The completed Return Material Authorization form has been placed inside the packaging
- The Return Material Authorization number has been clearly written on the outside of the packaging.
Any failure to follow these instructions could result in your package being refused and returned to you without repairs at your expense.
To obtain service, contact Geissele Automatics at sales@geissele.com or 610-272-2060.
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
