$110.00
Earn up to 110 Points.
Offering a larger funnel surface and ergonomic design, the PMM magwell for Sig Sauer MCXs will improve reload times with more consistency.
Our two piece clamshell design easily installs with no modification using one bolt and a preinstalled roll pin.
The PMM MCX Magwell will fit onto all MCX, Virtus, Rattler, and SPEAR LT receivers
-SPEAR 7.62 & 6.5 Creedmoor
*PLEASE NOTE: These are made to be a tight fit, this product may scratch your lower during installation, especially cerakoted lowers.
Below is a video for our AR15 magwell install. Same for MCX.
Black, FDE, BLEM FDE
Richard (verified owner) – May 26, 2025
Another top quality component from PMM! Excellent addition on my Sig MCX Spear 5.56…love it!
Damon Webb (verified owner) – August 5, 2025
Perfect fitment on the LT lower & looks like it came from Sig when installed. Def recommended when running NVGs!
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Richard (verified owner) –
Another top quality component from PMM! Excellent addition on my Sig MCX Spear 5.56…love it!
Damon Webb (verified owner) –
Perfect fitment on the LT lower & looks like it came from Sig when installed. Def recommended when running NVGs!