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Mfg Item #: QTRLR15B53
The Quattro-15 lower receiver accepts the Quadmag-53, Desert Techs 53 round magazine and standard AR pattern mags. The lower receiver is drop in capable will all standard AR-15 upper receivers. The Quattro-15s 53 round magazines give patriots the ability to carry a 210 round loadout with only 4 magazines instead of 7.
| Caliber | multi-caliber |
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