Jul 4, 2018
Gun Store Las Vegas

Enhance Your AR-15 Performance with the AR-15 GI Lower Parts Kit Bulk 500ct

Welcome to Guns 4 USA, your trusted source for top-notch firearms and accessories. In this page, we introduce you to the AR-15 GI Lower Parts Kit Bulk 500ct by MJR, a must-have for any AR-15 enthusiast or professional. Let's dive into the comprehensive details of this exceptional kit and discover how it can improve the performance of your AR-15.

Unmatched Quality and Durability

At Guns 4 USA, we are committed to providing only the highest quality products to our customers. The AR-15 GI Lower Parts Kit Bulk 500ct is no exception. Crafted with precision and attention to detail, this kit is built to withstand the most demanding shooting conditions.

Each part of the kit is meticulously manufactured using durable materials, ensuring longevity and reliability. From the trigger group to the pistol grip, every component is designed to function flawlessly, enhancing your shooting experience and providing peace of mind.

Comprehensive Kit for Complete Customization

The AR-15 GI Lower Parts Kit Bulk 500ct offers a comprehensive range of parts, allowing you to customize your AR-15 according to your preferences and shooting style. Whether you're an avid competitor, a law enforcement professional, or a dedicated enthusiast, this kit offers everything you need to optimize your AR-15.

Trigger Group:

  • Trigger: The trigger in this kit ensures a crisp, clean break, allowing for improved shot placement and overall accuracy.
  • Hammer: The hammer provides reliable ignition and consistent performance, essential for every successful shot.
  • Disconnector: The disconnector works in conjunction with the trigger and hammer to facilitate proper cycling and reset.

Pistol Grip:

The included pistol grip offers superior ergonomics, providing comfort and control during extended shooting sessions. Its textured surface ensures a secure grip, even in adverse conditions, allowing for enhanced accuracy.


The selector allows for easy switching between different firing modes, ensuring versatility and adaptability to various shooting scenarios. Its smooth operation and precise alignment offer confidence and ease of use.

Buffer Tube Assembly:

The buffer tube assembly in this kit is designed for optimal recoil management, providing improved stability and control. Its high-quality construction guarantees consistent performance over extended periods of use.

Spring and Detents:

The kit includes carefully selected springs and detents to ensure reliable functioning of critical components. These small yet essential parts contribute to the overall smoothness and reliability of your AR-15.

Customer Satisfaction Guaranteed

At Guns 4 USA, we value customer satisfaction above all else. The AR-15 GI Lower Parts Kit Bulk 500ct by MJR has been thoroughly tested and proven to meet our stringent quality standards. We are confident that this kit will exceed your expectations and enhance your shooting experience.

Order your AR-15 GI Lower Parts Kit Bulk 500ct from Guns 4 USA today and take your AR-15 to the next level. Experience improved performance, reliability, and customization like never before. Trust MJR and Guns 4 USA for all your firearms and accessories needs.

Chris Cotton
This kit is a game-changer for AR-15 enthusiasts!
Oct 12, 2023
Frank Lemay
I trust MJR products for their consistent performance. This lower parts kit lives up to my expectations.
Aug 19, 2023
Sitaram Sharma
I've heard good things about the AR-15 GI Lower Parts Kit. Looking forward to the enhanced performance.
Jul 26, 2023
Pete Gallo
This kit could be the solution to improving the reliability and functionality of my AR-15. I'm intrigued!
Jul 19, 2023
Longo Lexus
The quality and price point of this kit make it a practical option for anyone looking to stock up on parts.
Jul 16, 2023
Brian Cohen
Wow, this kit looks like a comprehensive solution for AR-15 enthusiasts. Definitely considering this for an upgrade.
Jun 2, 2023
Colleen Brown
I've been wanting to upgrade my AR-15, and this kit looks like a great way to start. Can't wait to give it a try!
Apr 24, 2023
Rachel Lecavalier
500ct bulk kit? Perfect for stocking up on spare parts.
Feb 23, 2023
Jeffrey Bays
500ct bulk kit sounds like a great value. Definitely considering adding this to my collection.
Jan 25, 2023
Kathy Farrell
This kit is essential for maintaining and upgrading my AR-15. Thanks for the info!
Oct 6, 2022
Sarah Mosesian
Considering the positive reputation of MJR products, I have high hopes for this lower parts kit.
Sep 1, 2022
Steve Barnes
Excited to explore the features and improvements that come with this AR-15 GI Lower Parts Kit.
Aug 27, 2022
Laure Mariet
Great selection, fast shipping, and reliable quality make this kit a top choice for AR-15 enthusiasts.
Jun 14, 2022
Paul Masterson
The 500ct bulk kit seems like a practical investment for keeping my AR-15 in top condition.
Jun 1, 2022
Jim Nichols
Looking forward to exploring the potential of this kit in improving the overall performance of my AR-15.
May 21, 2022
Enzo Rebula
Looks like a great kit for upgrading my AR-15. Can't wait to try it!
May 18, 2022
Amali Afiq
The durability and precision of these parts make a noticeable difference in my rifle's performance.
May 15, 2022
Tracey Garrison
I appreciate the convenience of buying in bulk. This kit saves time and money.
Mar 6, 2022
Robin Anslow
Appreciate the recommendation. I've been needing a reliable lower parts kit for my AR-15.
Feb 8, 2022
Preston Swovelin
The AR-15 GI Lower Parts Kit Bulk 500ct provides peace of mind knowing I have spares for any scenario.
Jan 31, 2022
Matthew L
I'm always looking for ways to enhance my firearms. This kit looks like a game-changer!
Jan 29, 2022
Jason Holland
I value the input on quality firearms and accessories. This AR-15 GI Lower Parts Kit certainly seems worth trying.
Oct 25, 2021
Aminata Traore
This kit seems to offer everything I need to ensure my AR-15 is in top condition. Thanks for the info!
May 19, 2021
Navi Sandhu
I appreciate the attention to detail in this bulk kit. It's a reflection of MJR's commitment to excellence.
Apr 14, 2021
Having a bulk lower parts kit is essential for any serious AR-15 owner.
Nov 28, 2020
Lisa Cano
The MJR AR-15 parts kit provides durability and reliability for my firearm.
Nov 17, 2020
Marjorie Trew-Munson
The versatility and range of parts in this kit allows for customization and personalization of my AR-15.
Jul 25, 2020
Jeff Arno
This kit makes maintaining my AR-15 simple and efficient. It's a valuable investment.
Jun 15, 2020
Amy Laughlin
This kit has everything I need to complete my AR-15 build. It's a comprehensive package.
May 30, 2020
Jannelle Santiago
I can already imagine the difference this kit could make in terms of performance and durability.
May 6, 2020
Tom Madrigal
Very interested in learning more about the benefits of this lower parts kit.
Mar 14, 2020
Angela Albritton
Looking forward to enhancing my AR-15's performance with this kit. Thanks for sharing the info!
Mar 14, 2020
Mohamed Abubaker
The MJR brand always delivers quality products. Excited to get my hands on this kit!
Feb 27, 2020
Sandeep Shrowthi
I appreciate the breakdown of this kit. Excited to see what difference it makes for my AR-15.
Jan 29, 2020
C Christensen
The AR-15 GI Lower Parts Kit Bulk 500ct by MJR seems like a solid investment for my firearm. Thank you for the recommendation!
Nov 22, 2019
Wei Si
As an AR-15 enthusiast, I'm glad to find this bulk kit. It's a great value for range training.
Jun 16, 2019
Rachelle Morris
I appreciate the detailed introduction to this product. It's always helpful to know the options available.
May 13, 2019
Rocky Scotti
This lower parts kit really impressed me with its quality and variety.
Apr 19, 2019
Seems like a must-have for every AR-15 enthusiast. Can't wait to see the difference it makes!
Apr 4, 2019
Larry Pastor
The assortment in this 500ct kit ensures I have spare parts for maintenance and repairs.
Jan 19, 2019
Not Provided
I've been searching for a reliable lower parts kit. This seems promising!
Jul 17, 2018
Matee Kowl
Looking forward to experiencing the improvements that this kit can bring to my AR-15.
Jul 10, 2018