Upper Parts

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Front Sight Detent 5.56

Front Sight Detent 5.56

MSRP: $2.99
$2.99
Superlative Arms .625 Adjustable Piston System - Rifle Length Gas - Clamp On - Melonited

Superlative Arms .625 Adjustable Piston System – Rifle Length Gas – Clamp On – Melonited

Save 10%
MSRP: $289.99
$260.99
Superlative Arms .625 Adjustable Piston System - Rifle Length Gas - Solid - Melonited

Superlative Arms .625 Adjustable Piston System – Rifle Length Gas – Solid – Melonited

Save 10%
MSRP: $289.99
$260.99
Phase 5 Low Profile Gas Block

Phase 5 Low Profile Gas Block

Starting from $24.99
Kratos Design Group AR-15 Low Profile Gas Block

Kratos Design Group AR-15 Low Profile Gas Block

Save 5%
MSRP: $41.95
$39.99
Anarchy Outdoors Titanium AR-180 Firing Pin

Anarchy Outdoors Titanium AR-180 Firing Pin

Save 7%
MSRP: $29.99
$27.99
Centurion CS Matte Black Tabbed Gas Block

Centurion CS Matte Black Tabbed Gas Block

$45.00
Battle Arms Workhorse 10.5" 5.56NATO Upper Assembly (No BCG No CH)

Battle Arms Workhorse 10.5″ 5.56NATO Upper Assembly (No BCG No CH)

Save 6%
MSRP: $529.99
$499.99
Centurion CS Matte Black Non-Tabbed Gas Block

Centurion CS Matte Black Non-Tabbed Gas Block

$45.00
Battle Arms Workhorse 16" 5.56 Nato Upper Assembly (No BCG No CH)

Battle Arms Workhorse 16″ 5.56 Nato Upper Assembly (No BCG No CH)

Save 6%
MSRP: $529.99
$499.99