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MP5 Magazine Holder

SIG MPX/Copperhead Mag Holder

Elastic magazine holder for SIG MPX and Copperhead pattern magazines. Holds 4 mags with hook-backed attachment for any loop field. Made in USA.

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Free Shipping $500+
Lifetime Warranty
Easy Returns
Made in USA

Free Shipping: Orders over $500 ship free.

Processing Time: In-stock items ship within 1-2 business days. Made-to-order items ship within 2-3 weeks.

Returns: We offer hassle-free returns within 14 days of delivery. Items must be unused and in original packaging.

The SIG MPX/Copperhead Magazine Holder is purpose-built for SIG MPX pattern magazines. Holds 4 magazines with elastic retention that keeps them secure during transport and easy to pull at the range. Hook-backed for attachment to any Lynx Defense loop field — mount it in your range bag, rifle case, or on a chest rig.

Made in Selma, North Carolina.

Compatibility: SIG MPX, SIG Copperhead, and compatible pattern magazines.

Frequently Asked Questions

Which magazines fit the SIG MPX/Copperhead Mag Holder?
It fits SIG MPX and SIG Copperhead factory magazines (9mm pattern) in both 20-round and 30-round capacities. The elastic is sized for the MPX mag body, including Gen 1 and current-production mags — non-MPX 9mm pistol or PCC magazines will not retain properly.
How does it attach to a bag, case, or chest rig?
The back is a hook (Velcro) field that sticks to any loop-based panel, including the loop interiors of our rifle bags and range bags, as well as third-party chest rigs and placards. It is not MOLLE-compatible — hook-and-loop reconfigures faster and runs lower-profile.
How many magazines does it hold?
Four. Each holder has four elastic slots sized for SIG MPX/Copperhead factory mags, so you can stage a full loadout on a single panel.
Will the magazines stay put if the bag is tipped or shaken?
Yes. The elastic is tuned for snug friction retention during transport and range handling. It is a friction-retention holder, not a locking holster — don't rely on it for inverted carry or running drills.
Where is the SIG MPX/Copperhead Mag Holder made?
Like all Lynx Defense gear, it's designed and built in Selma, North Carolina, USA.
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SIG MPX/Copperhead Mag Holder

SIG MPX/Copperhead Mag Holder

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