AR15 Upper Parts and Kits | Aerospace Arms

Purchase upper parts kits or replacement parts for your upper receiver.

Bastion

Bastion Psalm 23:4, AR-15 Ejection Port Dust Cover Assembly

Retail: $16.99

Was:

Now: $15.99

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Bastion

Bastion Psalm 144:1, AR-15 Ejection Port Dust Cover Assembly

Retail: $16.99

Was:

Now: $15.99

Out of stock
Bastion

Bastion 300AAC BLACKOUT, AR-15 Ejection Port Dust Cover Assembly

Retail: $16.99

Was:

Now: $15.99

Out of stock
Luth-AR

Luth-AR, A3 Upper Receiver Parts Kit

Retail: $16.95

Was:

Now: $15.95

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Bastion

Bastion Molon Labe Helmet, AR-15 Ejection Port Dust Cover Assembly

Retail: $16.99

Was:

Now: $15.99

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CMMG

CMMG, Ejection Port Cover Kit, Mk3, Ejection Port, Rod, and Spring, Black Finish

Retail:

Was:

Now: $14.95

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Bastion

Bastion USA American Flag, AR-15 Ejection Port Dust Cover Assembly

Retail: $16.99

Was:

Now: $15.99

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Bastion

Bastion Don't Tread On Me, AR-15 Ejection Port Dust Cover Assembly

Retail: $16.99

Was:

Now: $15.99

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CMMG

CMMG, Forward Assist Kit, Includes Forward Assist Assembly, Spring, and Installation Pin, Black Finish

Retail: $16.95

Was:

Now: $15.95

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LBE Unlimited

LBE Unlimited, Complete Forward Assist Assembly, For AR15

Retail: $16.99

Was:

Now: $14.99

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Bastion

Bastion Psalm 23:4, AR-15 Ejection Port Dust Cover Assembly

High quality components and precise manufacturing make Bastion parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Fits Standard...

Retail: $16.99

Was:

Now: $15.99

Add to Cart
Bastion

Bastion Psalm 144:1, AR-15 Ejection Port Dust Cover Assembly

High quality components and precise manufacturing make Bastion parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Fits Standard...

Retail: $16.99

Was:

Now: $15.99

Out of stock
Bastion

Bastion 300AAC BLACKOUT, AR-15 Ejection Port Dust Cover Assembly

High quality components and precise manufacturing make Bastion parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Fits Standard...

Retail: $16.99

Was:

Now: $15.99

Out of stock
Luth-AR

Luth-AR, A3 Upper Receiver Parts Kit

The A3 Upper Receiver Parts Kit for AR-15 includes the ejection port cover, ejection port rod, ejection port C-clip, ejection port spring, forward assist button, forward assist spring and forward assist pin. Package Includes: Fits AR-15 Pattern...

Retail: $16.95

Was:

Now: $15.95

Add to Cart
Bastion

Bastion Molon Labe Helmet, AR-15 Ejection Port Dust Cover Assembly

High quality components and precise manufacturing make Bastion parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Fits Standard...

Retail: $16.99

Was:

Now: $15.99

Add to Cart
CMMG

CMMG, Ejection Port Cover Kit, Mk3, Ejection Port, Rod, and Spring, Black Finish

Includes Mk3 .308 ejection port cover, rod, and spring.

Retail:

Was:

Now: $14.95

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Bastion

Bastion USA American Flag, AR-15 Ejection Port Dust Cover Assembly

High quality components and precise manufacturing make Bastion parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Fits Standard...

Retail: $16.99

Was:

Now: $15.99

Add to Cart
Bastion

Bastion Don't Tread On Me, AR-15 Ejection Port Dust Cover Assembly

High quality components and precise manufacturing make Bastion parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Fits Standard...

Retail: $16.99

Was:

Now: $15.99

Add to Cart
CMMG

CMMG, Forward Assist Kit, Includes Forward Assist Assembly, Spring, and Installation Pin, Black Finish

CMMG's AR15/.308 Forward Assist Kit is perfect for completing or repairing your AR upper receiver (fits most .308/AR10 upper receivers). Package Includes: Forward assist assembly Forward assist plunger spring Roll pin (.093"x.625") *All the...

Retail: $16.95

Was:

Now: $15.95

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LBE Unlimited

LBE Unlimited, Complete Forward Assist Assembly, For AR15

The LBE forward assist assembly includes the forward assist, spring and roll pin. Made in the USA. Fits AR-15 Forward Assist Made in the USA

Retail: $16.99

Was:

Now: $14.99

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