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Aero Precision

Aero Precision AR15 Customizable Builders Kit

Product Code : AR15-BUILD-KIT

$529.99
$299.99
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AERO PRECISION AR15 BUILDERS KIT

LOWER RECEIVER OPTIONS: X15, M4E1, AMBI

Aero Precision X15 Stripped Lower Receiver

  • Manufacturer Number: APAR501101
  • AR15 Gen 2 Stripped Lower Receiver
  • Flared Magwell
  • Multi-Caliber Markings
  • Nylon-Tipped Tensioning Set Screw Included
  • Takedown Pin Detent Hole Threaded for 4-40 Set Screw
  • 7075-T6 Machined Aluminum
  • Color: Black
  • UPC: 815421020373

Aero Precison M4E1 Stripped Lower Receiver

Aero Precision M4E1 AR-15 Lower Receiver APAR600001C
Stripped Lower Receiver
Multi-Caliber Marked
M4 Serial Number Designation
Works with Standard AR-15 Components/Magazines
Rear takedown pin detent hole is threaded for a 4-40 set screw
Integrated Trigger Guard
Upper Tension Screw
Overall Weight 8.61oz
Billet Aesthetics
Machined from 7075-T6 Forged Aluminum
Anodized Finish
Made in America
Matte Black

UPC: 815421022315

Aero Precison Ambi Stripped Lower Receiver

  • Material: Military grade steel
  • Coating: Matte black hard-coat anodized Mil 8625 Type 3 Class 2
  • Allows user to lock the bolt back as well as send the bolt forward
  • Made in the USA
  • UPC: 815421020472

UPPER RECEIVER OPTIONS: X15 BLEM, M4E1

Aero Precision X15 BLEM Stripped Upper Receiver + Aero Precision Upper Receiver Parts Kit

  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Blemished AR15 Stripped Upper Receiver in Anodized Black
  • This product is blemished. Blemishes may include:
  • Plating inconsistencies
  • Pits
  • Scratches
  • Dents
  • Flaws in finish
  • Our blemished products are fully functional, they just didn't meet our high standards. They are a great product at a discounted price for someone who doesn't mind a slight imperfection. We do not accept returns on blemished products.
  • UPC: 46149
  • AR15 UPPER PARTS KIT INCLUDES:
  • Forward Assist Assembly
  • Forward Assist Spring
  • Forward Assist Roll Pin
  • Ejection Port Cover Door
  • Ejection Port Cover Rod with c-clip
  • Ejection Port Cover Spring
  • UPC:

Aero Precision M4E1 Assembled Upper Receiver

  • New enhanced forging that gives the upper receiver a "billet look"
  • New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes threaded forward assist roll pin
  • Includes port door and forward assist
  • UPC: 815421020977

HANDRAIL OPTIONS: S1 10.3", R1 10.3", S1 12", R1 12", S1 15", R1 15"

Atlas S-ONE

The ATLAS S-ONE is the newest addition to the Aero Precision Handguard lineup. Machined from 6061-T6 Aluminum, the S-ONE line of handguards are designed with size and weight in mind, providing the perfect handguard for your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. The new Aero Taper Lock Attachment System (ATLAS) is both functional and aesthetically pleasing. It features 2 mirrored tapered locking nuts that provide evenly distributed clamping pressure across a custom engineered barrel nut with use of a turnbuckle screw. A ratcheting detent further secures the design while providing positive registration during installation. By design, the even pressure of the ATLAS system avoids distortion of the handguard often seen with current applications during installation.

  • M-LOK Handguard Weights: 10.3" - 6.0 oz / 12" - 7.00 oz / 15" - 7.95 oz
  • Mounting Hardware Weight: 1.9 oz (same across all S-ONE Handguard options)
  • Front and rear picatinny rail
  • Eliminated center of top rail for weight reduction
  • Indexing grooves in 12:00 position for positive grip control
  • Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
  • Compatible with low profile gas blocks
  • 1.3" Inside diameter
  • 1.5" Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels
  • NOT Compatible with M4E1 Enhanced Upper Receivers
  • 10.3" UPC: 815421021035
  • 12" UPC: 815421021035
  • 15" UPC:815421021042

ATLAS Handguards are designed to match seamlessly with our M4E1 Threaded Upper Receivers. Additionally, they are compatible with any Mil-Spec AR-15 upper receivers as well. However, they may not be compatible with billet upper receivers due to indexing tabs.

Atlas R-ONE

The ATLAS R-ONE is the newest addition to the Aero Precision Handguard lineup. Machined from 6061-T6 Aluminum, the R-ONE line of handguards are designed with size and weight in mind, providing the perfect handguard for your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. The new Aero Taper Lock Attachment System (ATLAS) is both functional and aesthetically pleasing. It features 2 mirrored tapered locking nuts that provide evenly distributed clamping pressure across a custom engineered barrel nut with use of a turnbuckle screw. A ratcheting detent further secures the design while providing positive registration during installation. By design, the even pressure of the ATLAS system avoids distortion of the handguard often seen with current applications during installation. All hardware mounting parts are included with the purchase of an ATLAS Handguard.

  • M-LOK Handguard Weights: 10.3" - 6.7 oz / 12" - 8 oz / 15" - 9.07 oz
  • Mounting Hardware Weight: 1.9 oz (same across all ATLAS Handguard options)
  • Full top picatinny rail for optional attachments
  • Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
  • Compatible with low profile gas blocks
  • 1.3" Inside diameter
  • 1.5" Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels
  • NOT Compatible with M4E1 Enhanced Upper Receivers
  • 10.3" UPC: 840014615551
  • 12" UPC: 840014600083
  • 15" UPC: 840014611621

ATLAS Handguards are designed to match seamlessly with our M4E1 Threaded Upper Receivers. Additionally, they are compatible with any Mil-Spec AR-15 upper receivers as well. However, they may not be compatible with billet upper receivers due to indexing tabs.

Determined at checkout.