AR-15 UPPER RECEIVER PARTS

• Phosphate finish for durability and corrosion resistance
• Manufactured to mil-spec dimensions
• 100% USA Made

Precision built!

Carrier Features:

• Material: Billet carrier machined from 8620 steel and case hardened
• Finish: Black Nitride - advanced lower friction coating that minimizes the need for lubricants and cleaning
• Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked
• Firing Pin: Machined from 8740 steel and hard chrome coated
• Forward Assist serrations
• Laser engraved Aero Precision logo
• Carrier fits DPMS compatible style AR Rifles

Bolt Features:

• Material: Case Hardened 9310 Steel
• Finish: All bolt components are shot peened and black nitride coated
• Extractor: Machined from 4340 Steel with double o-rings and double springs
• Magnetic Particle Inspected and High Pressure Tested
• High pressure bolt - external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .070"
• Multi-caliber bolt designed to function with .308, 7.62x51, 6.5 Creedmoor, .338 Federal and other .308 based cartridges.

Carrier Features:

• Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
• Finish: Mil-spec Phosphate coating
• Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked
• Firing Pin: Machined from 8740 steel and hard chrome coated
• Forward Assist serrations
• Laser engraved Aero Precision logo
• Carrier fits AR .308 compatible style AR Uppers and Rifles

Bolt Features:

• Material: Case Hardened 9310 Steel
• Finish: All bolt components are shot peened and phosphate coated
• Extractor: Machined from 4340 Steel with double o-rings and double springs
• Magnetic Particle Inspected and High Pressure Tested
• High pressure bolt - external surfaces are CNC ground after heat treat for a precision fit and firing pin hole diameter is reduced to .070"
• Multi-caliber bolt designed to function with .308, 7.62x51, .338 Federal and other .308 based cartridges.

BCG Includes:

• Bolt carrier
• Complete bolt
• Firing pin
• Cam pin
• Retaining pin

Specifically designed for use with 22 AR-Conversions to prevent spent casings from becoming lodged between the bolt and charging handle. Nylon construction.

• Fits all standard AR type Carbine length gas systems
• Precisely machined from seamless stainless steel tubing
• 100% USA Made

• Fits all standard AR type pistol length gas systems
• Precisely machined from seamless stainless steel tubing
• 100% USA Made

The Daniel Defense low profile gas block mounts directly to .750 diameter barrels and is made of 4150 hardened steel with a Mil-Spec phosphate coating for enhanced durability. Made in the U.S.A.

The Daniel Defense 5.56mm/300 Blackout Bolt Assembly features a shot peened bolt with extractor booster. Made in the U.S.A.

• Fits all standard AR15/M16 sized bolts
• Nitride finish for durability and corrosion resistance
• Machined to mil-spec dimensions
• 100% USA Made

• Fits all standard AR15/M16 5.56 & .223 bolts
• Machined from 4140 bar stock
• Heat treated
• Shot peened
• Phosphate coated for reliability
• 100% USA Made

• Fits all standard AR type rifle length gas systems
• Precisely machined from seamless stainless steel tubing
• 100% USA Made

Aero Precision No Logo M16 cut colt carrier group. Machined from 8620 Tool Steel (carrier) and 9310 Steel (bolt). Black Nitride finish, properly staked gas key, shot peened, HPT tested and black o-ring insert on extractor. Made in the U.S.A.

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.

Heckler & Koch complete gas piston for MR556 and MR762 rifles.