Systems M5/M16 Adapter Rail Assembly Black

Name: Systems M5/M16 Adapter Rail Assembly Black
Brand: Brownells
Availability: OutOfStock

Brownells · Rails & Handguards

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Best price

$189.99at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$189.99checked Oct 1, 2026	Out of stock	Buy at Brownells

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Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$189.99	$189.99	$189.99

Since Sep 28, 2026.

About this part

The Systems M5/M16 Adapter Rail Assembly Black is an AR-15 handguard from Brownells. One store lists it, Brownells at $189.99.

Fits and works with

Gas system: Carbine · Handguards

Specifications

Manufacturer: Brownells
Color: Black
Platform: AR-15
Gas system: Carbine
Attachment: M1913 Picatinny

From the manufacturer

M16 and M4 Rail Adapter Systems The same type of rail systems provided to the US Government, the M4 and M5 Rail Assembly Systems fit standard carbine and rifle gas length rifles, that are equipped with standard delta rings and handguard caps (circle for the M4 and triangle for the M16). Rails include polymer rail covers to protect the aluminum handguards from damage, as well as your hands from the Picatinny rail. Drop-in installation does not require the removal of the delta ring or front sight. Rock-in similar to a standard polymer handguard. Retaining mechanism tightens up the Rail Assembly System once installed, so that you can attach laser aiming devices and be confident in zero Mfg: Brownells