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Aero Precision M4E1 Enhanced Upper Receiver/Quantum Handguard Combo

$173.33 – $238.13

Includes:

Enhanced Upper Receiver Features:

  • M4 Feedramps
  • .250 takedown pin holes
  • Lazer engraved T-marks
  • Comes assembled, with dust cover and forward assist installed
  • Machined from 7075-T6 forged aluminum

Quantum Handguard Features:

  • 1pc free float design
  • Removable 4-slot picatinny rail section for front sight
  • Built in anti-rotation tabs
  • 7 mounting surfaces for KeyMod and M-LOK accessories
  • 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
  • Compatible with low profile gas blocks
SKU: N/A Category:

Description

Save 20% when you buy the M4E1 Enhanced Upper Receiver and Quantum Handguard Combo From BST! Our 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.

This Upper Receiver Handguard Combo now includes our Quantum Handguard! Our Quantum Free Float Handguards minimize bulk while providing an adaptive system that is big on features. With multiple mounting options, this affordable, rigid system can adapt to any mission.

Additional information

Brand

Color

Black-Anodized, FDE-Cerakote
Rail System Option

12" Keymod, 12" M-LOK, 15" Keymod, 15" M-LOK, 7" Keymod, 7" M-LOK, 9" Keymod, 9" M-LOK

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