Name: CMMG Magazine AR Conversion 5.7x28MM 40 Rounds 3 Pack
Brand: Cmmg
SKU: s89e46w

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1 offer · 0 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$103.48	Out of stock	56m ago	Go to deal

Prices and stock are from each retailer's latest check and can change. Price Dope may earn a commission from retailer links. Disclosure

Description

MMG's 5.7x28mm, 40rd 5.7 AR Conversion Magazine fits in any standard AR15 lower receiver. To use, simply attach a CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver to an existing AR15 lower. Then, insert CMMGs 5.7 AR Conversion Magazine to safely feed 5.7x28mm ammunition. CMMG recommends using a standard carbine buffer and action spring to reliably cycle the action in this configuration. The 5.7 AR Conversion Magazine also retains last round bolt hold-open functionality, allowing for faster reloads.

Specs

Brand	Cmmg
Categories	· Other
UPC	00816422029532

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D.O.P.E.Price history

Lowest price across connected retailers, from every price check we've recorded.

Current best: $103.48
Low: $103.48
High: $103.48
Tracking since: Oct 10, 2026

One price check so far ($103.48 on Oct 10, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 10, 2026, 8:10 PM PT	East Valley Tactical	$103.48	Out of stock

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