Aim Sports MT021 M4 Carbine Length Quad Rail AR-15,M16,M4 Black Hard Coat Anodized Aluminum 6.60"

Name: Aim Sports MT021 M4 Carbine Length Quad Rail AR-15,M16,M4 Black Hard Coat Anodized Aluminum 6.60"
Brand: Aim Sports
SKU: bxbwfpp

UPC 00815879011152

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1 offer · 1 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$29.99	In stock (38)	44m ago	Go to deal

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This M4 carbine-length, drop-in quad rail by Aim Sports is an easy to install upgrade for the basic carbine. Made from aircraft-grade aluminum, it is compatible with most carbine-length direct impingement gas systems. The two-piece design requires no gunsmithing to install and is compatible with all standard Weaver/Picatinny 1913 accessories. It is 6.60" long and weighs 11.03 oz.
This model has a black anodized finish.

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

One price check so far ($29.99 on Oct 8, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 8, 2026, 5:15 PM PT	East Valley Tactical	$29.99	In stock