Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart

Q&A for Lancer Handguard Sig Mpx 14" M-lok Carbon Fiber — 5 Questions & 4 Answers

Name Lancer Handguard Sig Mpx 14" M-lok Carbon Fiber (5)
$361.87 $307.59 Save 15%
View Product
Please keep questions related to the product! If you have questions regarding availability, pricing, or shipping options for this item, please contact our customer service team.
Need an answer right now?
Contact us!
Continue As a Guest
Saving...
Sign In or Create an Account (optional)
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

Show
Sort by
Filter by
Q
Eight, guest, from NV, United States, asked on April 16, 2021

Do you one for 16 inch barrel?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on March 15, 2022

The Lancer Handguard Sig Mpx 14" M-lok will fit an MPX with a 16" barrel. However, if you are looking for a 16" rail instead of the 14", you can find it using the following link:
https://www.opticsplanet.com/lancer-systems-lch-mpx-16.html

Was it helpful to you? Yes | No
Q
lisaR, member, from RI, United States, asked on December 17, 2019

Does this require special gunsmithing and gun modification or is this an easy swap?

Expert Answer
A
Answered by Jonathan D., Gear Expert, from IL, United States, on February 20, 2020

It is user swappable.

Was it helpful to you? Yes | No
Q
Giancarlo Reyes, member, from FL, United States, asked on April 21, 2019

Does it fits in sig mpx 16” barrel?

Expert Answer
A
Answered by Armando R., Gear Expert, from IL, United States, on November 08, 2019

Yes, it will fit.

1 of 1 found the following answer helpful.
Was it helpful to you? Yes | No
Q
Johnathan, member, from GA, United States, asked on July 29, 2018

How much does the 14" handguard weigh?

Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on December 02, 2018

This weighs 0.72lbs.

1 of 1 found the following answer helpful.
Was it helpful to you? Yes | No
Q
Meme, guest, from MI, United States, asked on November 12, 2024

Does this fit a gen 2 mpx?

Continue As a Guest
Saving...
Sign In or Create an Account (optional)
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.