Introducing the Avalanche Ambidextrous Charging handle for the SIG MCX™. The Avalanche provides improved ergonomics & functionality compared to the factory charging handle. The ANC (Ambidextrous Non-Changeable) features robust hex handles alongside a thicker and improved latch angle for a more positive engagement. The Ambidextrous design allows charging of the weapon from both the primary & support positions. The body & handles are made from 7075 billet aluminum and MILSPEC Type III Hard anodized. Like all Rainier Arms products, the Avalanche comes with a lifetime limited warranty and a 100% satisfaction guarantee. The Avalanche is designed and manufactured in our own facility in Wichita, KS USA.
Review by Stephen F. on 17 Aug 2022review stating Works Great on the Rattler!
I searched everywhere for something that would work with my Sig Sauer 300blk MCX Rattler. The stock CH was way too small, and this is a perfect upgrade. It can be used while Rattler is folded or extended.
Q: Is this compatible with a gen 1 MCX rifle in 300 blackout??
Rainier Arms
08/01/23
A: We have not tested it with a Gen 1 specifically, however to our knowledge the charging handle design did not change between generations, so it should work without issue.
G
GasinmyNose
Verified Reviewer
02/04/23
Q: Aside from the lack of holes machined in the charging handle assembly, what distinguishes the ANC from the other Avalanche option for the MCX?
Rainier Arms
02/09/23
A: The handles themselves cannot be swapped on the ANC variant of the Avalanche.
T
Theo
Verified Reviewer
01/12/22
Q: Is this designed to mitigate gas blowback at all? I’m running a Nomad30 on Rattler Canebrake and eating gas for dinner, thanks in advance
Rainier Arms
01/12/22
A: It is not
Y
Yes
Verified Reviewer
09/11/21
Q: Is this compatible with the mcx rattler? What is the material of the handles
Review by Stephen F. on 17 Aug 2022review stating Works Great on the Rattler!
I searched everywhere for something that would work with my Sig Sauer 300blk MCX Rattler. The stock CH was way too small, and this is a perfect upgrade. It can be used while Rattler is folded or extended.
