Upper Build Kits

Aero Precision M4E1 Enhanced Upper Receiver And Quantum M-Lok Handguard Combo - Anodized Upper Build Kit Ar15Discounts Sale

Aero Precision M4E1 Enhanced Upper Receiver and Quantum M-LOK Handguard Combo - Anodized

Aero Precision

from $172.95
5

Save big when you buy the M4E1 Enhanced Upper Receiver and Quantum Handguard Combo! Our state-of-the-art Enhanced Upper Receiver combines the handg...

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from $172.95
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Aero Precision M4E1 Enhanced Upper Receiver And M-Lok Handguard Combo Gen 2 - Anodized Black Upper Build Kit Ar15Discounts Sale

Aero Precision M4E1 Enhanced Upper Receiver and M-LOK Handguard Combo Gen 2 - Anodized Black

Aero Precision

from $208.95
7

Huge savings on the Aero Precision M4E1 Enhanced Upper Receiver and M-LOK handguard combo! Combining the upper and handguard mounting platform, you...

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from $208.95
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Nbs Slick Side Billet Receiver & M-Lok Handguard Combo Upper Build Kit Ar15Discounts Sale

NBS Slick Side Billet Receiver & M-LOK Handguard Combo

NBS

from $99.95
3

This NBS Slick Side Billet Upper Receiver and M-LOK Handguard combo was designed and machined to match up beautifully together. It packs a multitu...

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from $99.95
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Aero Precision Upper Build Kit W/ Black Nitride Bcg + (Free Upgrade To Extended Latch Charging Handle) Mil-Spec Upper Build Kit Sold out

Aero Precision Upper Build Kit w/ Black Nitride BCG + (FREE UPGRADE TO EXTENDED LATCH CHARGING HANDLE)

Aero Precision

from $196.95
4

Aero Precision Assembled T-Marked Upper Receiver 7075-T6 Forged Aluminum Hard coat Anodized T-Marks Forward Assist/Dust Cover Installed Proudly Ma...

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from $196.95
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Aero Precision M4E1 Threaded Assembled Upper Receiver And Atlas S-One M-Lok Hg Combo - Anodized Upper Build Kit Ar15Discounts Sale

Aero Precision M4E1 Threaded Assembled Upper Receiver and ATLAS S-ONE M-LOK HG Combo - Anodized

Aero Precision

from $219.95
1

The M4E1 Threaded Upper/ATLAS S-ONE Combo Set Includes: M4E1 Threaded Assembled Upper Receiver ATLAS S-ONE Handguard of choice Handguard Mounting ...

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from $219.95
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Anderson Upper Build Kit W/ Apoc Black Nitride Bcg Upper Build Kit Ar15Discounts Sold out

Anderson Upper Build Kit w/ APOC Black Nitride BCG

Anderson Manufacturing

from $155.95
2

Anderson Manufacturing .223/5.56 Stripped Upper Receiver 7075-T6 Forged Aluminum  Hard Coat Anodized M4 Feed Ramps Made in the USA Upper Parts Kit...

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from $155.95
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