CMMG 25 Round .22 LR Magazine for Converted 5.56 MSR
- 25 round magazine designed to fit AR-15 magwell
- Works with AR-15 rifle converted to shoot .22 LR
- Durable polymer construction
- Compatible with Bolt Hold Open Actuator
- Works with AR-15 magazine pouches and case magazine carriers
Manufacturer model #: 10205.
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If you're using the additional CMMG Bolt Hold Open Adapter, these will not trigger that, have to use the CMMG Evolution mag or older CMMG standard mag that look like these but have a different follower.
Long answer - The follower for these mags are extra long and will hold the bolt back after the last round. However unless you have the bold hold adapter for conversion kit, when you drop the empty mag the bolt closes and once a new mag is inserted you will have to use the charge handle to chamber the first round from the new mag.