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Over 40 varieties are available between the M4E1 and M5E1 combos.

GEN1 handguards are still being phased out, so we have those combos available in addition to the newer GEN2.

Save big when you purchase the M4E1 Enhanced Upper Receiver and Handguard Combo! Aero Precision's state-of-the-art Enhanced Upper Receiver combines the handguard mounting platform with the upper itself, condensing the parts needed to mount a free-floated handguard to a mere 8 screws. Enhance your build today!


- AR15 M4E1 Enhanced AR15 Upper Receiver
- Enhanced Handguard of choice (style, color, and length)
- Handguard mounting screws

Enhanced Upper Receiver Features:
- M4 Feedramps
- .250 takedown pin holes
- Lazer engraved T-marks (on anodized black models)
- Comes assembled, with dust cover and forward assist installed
- Machined from 7075-T6 forged aluminum

GEN1 Enhanced Hanguard Features:
- 1pc free float design
- Built in anti-rotation tabs
- Scalloped rails
- Continuous top rail
- 1.8" inside diameter fits most muzzle devices and 1.5" suppressors
- Compatible with low profile gas blocks
- Machined from 6061-T6 aluminum

Additional GEN2 handguard features:
Gen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
Gen 2 Feature - Additional milling along flats to aid with gripping and add visual appeal
Gen 2 Feature - New profile for the continuous picatinny top rail

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Comments (7)

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Does anyone know the actual length of the 12" gen2 handguards? I want to use with a rifle length FSB and don't want to leave a gap exposing the gas tube.


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Nothing here is 169$

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The combo options do start at $169, as stated in the title. Both the Keymod black Gen1 and Quadrail black Gen2 currently have options at that price.

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Great prices on these M4E1 combos. And Granite Ridge is a good vendor. Ship quickly, free shipping and everything I've purchased from them has been good, NIB items.

Side note: If you are looking at picking up one of the combos, and are planning on using Mapgul MBUS, your front sight will not be able to deploy unless you shave a bit off of the bottom inside edge of the little levers. The lever will hit the round part of the handguard before the sight is able to deploy. Know issue with these type of Aero handguards and Magpul's MBUS sights. Sight will function just fine after he modification and will not be 'damaged'.

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Also an issue with the offset mbus pro's

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Did you have that sight issue with the enhanced handguards as well? I was only aware of it effecting the "Quantum" style Aero handguards.

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Yeah. I first encountered it with an original Gen1 Enhanced (FDE Keymod). Since ran into it on a few Quantum builds. I have not tried it on the Gen2 Enhanced I recently picked up from you guys a few weeks back (using YHM-QDS on that unit). Hoping they fixed it for Gen 2s with the 'new rail profile'. If I remember I'll pull the front off of the G2 rail tonight and try an (unmodified MBUS) I have in the drawer on there and report back.

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