AR-15 UPPER RECEIVER PARTS

• Fits all standard AR15/M16 sized bolts
• Replace your worn out gas rings and increase reliability
• Stainless steel per the mil-spec
• Manufactured to mil-spec dimensions
• Sold each (three required for each bolt)
• 100% USA Made

• Manufactured to milspec dimensions
• This is the correct low profile c-clip for your AR.
• Fits all standard AR15 / M16 style ejection port cover rods
• Phosphate coated
• 100% USA Made

• Machined to milspec dimensions
• Black Nitride coated
• 100% USA Made

• Phosphate coated
• Fits standard low profile gas blocks and A2 front sight bases
• 100% USA Made

• Machined to milspec dimensions
• Phosphate coated
• 100% USA Made

• Machined from mild steel
• Black oxide coated
• Fits 1/2" diameter threads
• Weight: .12 ounces
• 100% USA Made

• Fits all standard AR15/M16 sized bolts
• Fits over extractor spring to increase reliability
• Manufactured to mil-spec dimensions
• 100% USA Made

• Machined from mild steel
• Black oxide coated
• Fits 5/8" diameter threads
• Weight: .15 ounces
• 100% USA Made

Aero's Low Profile .750 Gas Block is constructed from 4150 hardened steel with steel set screws which are 10-32 x 3/16 knurled cup point. *Note: Roll pin is not included. No Logo.

• Manufactured to milspec dimensions
• Black oxide coating
• For use on AR15, and AR10, style firearms
• 100% USA Made

Aero's Low Profile .750 Gas Block is constructed from 4150 hardened steel with steel set screws which are 10-32 x 3/16 knurled cup point. *Note: Roll pin is not included.

• 8620 M16 style carrier
  • H&M Black Nitride finish
  • Properly heat treated
  • Final grind before plating
• Carpenter 158 5.56/.223 bolt
  • Heat treated
  • Shot peened
  • Precision ground for perfect dimensions
  • H&M Black Nitride finish
  • MPI
• 4140 billet gas key
  • H&M Black Nitride Finish
  • Properly seated with Grade 8 fasteners
  • Properly staked to ensure reliability
• 4140 Cam Pin nitride treated for wear resistance
• Billet Machined Extractor
  • Machined from solid 4140 bar stock, heat treated and shot peened
  • Phosphate coated for reliable extraction
  • Extractor insert included
  • O-Ring included
• Firing pin precision machined from 17-4 H-900 Stainless Steel
• 100% USA Made

Aero Precision upper parts kit includes the parts you need to assemble your AR15 upper receiver.

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

Features:

• M16-cut carrier
• Machined from 8620 steel
• Carrier has forward assist serrations
• Black Nitride Finish - advanced lower friction coating that minimizes the need for lubricants and cleaning
• Properly staked gas key
• Chrome lined gas key and firing pin channel
• Machined from Carpenter 158 tool steel
• Shot peened
• HPT/MPI and marked
• Black o-ring insert on extractor

• Manufactured to milspec dimensions
• For use on M16, AR15, and AR10, style firearms
• 100% USA Made