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The factory mating block allows the charge handle to drop, making charging your MPX sloppy and it can create damage to your receiver. You asked for a solution, and we delivered. Fully machined from solid block 4140PH steel and Nextride coated, our newly created MPX Lifter Block is easy to install and makes the MPX charge handle operate smoother and more rigid.
Review by robert s. on 8 Mar 2018review stating Perfect solution
I love this part. As I am not ready to get a new charging handle also, this is the perfect solution. It reduced the slop in the handle at least 95 percent. Took 5 minutes to install and the fit is perfect. works great with the factory charging handle. Very satisfied.
Review by Christopher S. on 25 Nov 2017review stating Should have been standard from SIG
The MPX Lifter Block is a great idea. It's frustrating that SIG did not address the charging handle issue before releasing the MPX, especially considering the MPX's price tag. If you're on the fence about the Lifter Block, I definitely recommend it. I installed this along with KNS anti-rotation pins. Now I wait patiently for Geissele to release th...Read MoreRead more about The MPX Lifter Block is a great idea.
eir MPX specific trigger. Read LessRead less about The MPX Lifter Block is a great idea.
Q: Will the NLA lifter block work with the stock Gen 2 MPX charging handle or is it necessary to change out the charging handle too? I can see that the NLA is a quality product, but I'm satisfied with my stock charging handle but would like to eliminate the droop and subsequent finish wear.
Rainier Arms
10/02/17
A: Yes, the block can be used separately from the NLA charging handle. The NLA charging handle just also adds the ambi function.
Review by robert s. on 8 Mar 2018review stating Perfect solution
I love this part. As I am not ready to get a new charging handle also, this is the perfect solution. It reduced the slop in the handle at least 95 percent. Took 5 minutes to install and the fit is perfect. works great with the factory charging handle. Very satisfied.
Review by Christopher S. on 25 Nov 2017review stating Should have been standard from SIG
The MPX Lifter Block is a great idea. It's frustrating that SIG did not address the charging handle issue before releasing the MPX, especially considering the MPX's price tag. If you're on the fence about the Lifter Block, I definitely recommend it. I installed this along with KNS anti-rotation pins. Now I wait patiently for Geissele to release th...Read MoreRead more about The MPX Lifter Block is a great idea.
eir MPX specific trigger. Read LessRead less about The MPX Lifter Block is a great idea.