Polymer magazines


Polymer MDT External Box Magazines for MDT TAC21 and LSS Chassis systems. Also works in many other M24 type chassis and bottom metals.

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Tuotetunnus (SKU): Polymer magazines Osasto: Avainsanat tuotteelle , , Product ID: 1513


MDT Detachable box magazines are designed to fit the MDT TAC21 and LSS Chassis systems, as well as many other M24 type chassis and bottom metals. Manufactured from high quality Polymer and uses a tempered steel spring. Available in .223 and .308


.308 magazine: 8 rounds 
.223 magazine: 10 rounds

MAX OAL .223: 2.550″
MAX OAL .308: 2.800″

Compatibility Information

MDT magazines are guaranteed to work in our TAC21, LSS, LSS-XL, HS3, and ESS chassis systems. They do not work with the following inlets; Ruger American in 204/223/556, Browning X-bolt, Winchester XPC and may require fitting in Winchester Model 70 .

Based on customer feedback, the following systems work well with our magazines, but fitting may be required in some cases.

Accuracy International Chassis (Not using the AI action)
XLR Chassis
KRG X-Ray – Some need adjustment.
GRS rifle stocks- (Configured for AICS magazines)
CDI Precision bottom metals- (Configured for AICS magazines)
Pacific tool and Gauge bottom metals- (Configured for AICS magazines)

Compatible Calibers in .308 magazines:

6.5 Creedmoor

Not recommended for .300 WSM. Use a metal magazine for this caliber as the feed lips need adjustment.

Compatible Calibers in .223 magazines:

.223 Magazine will accommodate the following cartridges but may require feed lip adjustments and modifications to the internal ribs. 

300 Blackout was designed to feed on AR-15 magazines, and may or may not feed from an AICS magazine in your bolt action rifle.

.223 Polymer magazines will work the Magpul Hunter stock with Detachable Magazine. Minor adjustment of magazine height may be required.