CMMG 5.7x28mm 40 Round Conversion Magazine (3 Pack)

$89.99

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CMMG 5.7x28mm 40 Round Conversion Magazine (3 Pack)

CMMG’s 5.7 AR Conversion Magazine allows you to easily convert your standard AR15 lower receiver to shoot 40 rounds of 5.7x28mm. Simply attach a CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver to an existing AR15 lower. Then insert CMMG’s 5.7 AR Conversion Magazine to safely feed 5.7x28mm ammunition.

Please note that solely using this magazine does not convert your firearm. It is necessary to obtain the rest of the conversion parts. 

Key Features:

  • Compatible with AR-15/M16 Lower Receivers
  • CMMG 5.7 Upper Receiver or Bolt/Barrel Kit Required
  • Designed for Radial Delayed Blowback
  • Last-Round Bolt Hold-Open Functionality
  • Uses standard carbine buffer and action spring
Weight 32 oz
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Customer Reviews

Based on 9 reviews
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A
Anonymous
Great quality

Magazine is high quality and perform flawlessly.

J
Jerry
Well made

I have these mags and they are a snug fit in my converted CMMG Banshee and will not drop free. Not necessarily a big deal for me, but for some, it could be. Overall good construction and I will likely purchase more.
Mag Nation was pleasant to deal with and shipped quickly.

D
Daryl Y.

CMMG 5.7x28mm 40 Round Conversion Magazine (3 Pack)

H
Harry C.

Fast shipping

K
Kyle F.
Quick pain service

Got the mags expected that was the correct price per three. The service and speed was perfect no complaints and will be ordering from mag shack again.