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AR-15 Partial Build Kits

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Showing 49–64 of 76 results

SIGMA SIX AR-15 UPPER 15″ HANDGUARD WITH AMBI CHARGING HANDLE (NO FORWARD ASSIST)

$107.79 Read more
SIGMA SIX AR-15 UPPER W/ 12.5″ 5.56 BARREL AND CHARGING HANDLE

$179.29 Read more
SIGMA SIX AR-15 UPPER W/ 12.5″ 5.56 BARREL AND CHARGING HANDLE (NO FORWARD ASSIST)

$150.09 Read more
SIGMA SIX AR-15 UPPER W/ 16″ CARBINE BARREL AND AMBI CHARGING HANDLE

$210.99 Read more
SIGMA SIX AR-15 UPPER W/ 16″ CARBINE BARREL AND AMBI CHARGING HANDLE (NO FORWARD ASSIST)

$181.79 Read more
SIGMA SIX AR-15 UPPER W/ 16″ MIDLENGTH BARREL AND AMBI CHARGING HANDLE

$180.79 Read more
SIGMA SIX AR-15 UPPER W/ 16″ MIDLENGTH BARREL AND AMBI CHARGING HANDLE (NO FORWARD ASSIST)

$151.59 Read more
SIGMA SIX TACTICAL .223 NO TIMING FREE FLOAT KEY-MOD 12″ SLIM HANDGUARD W/ FLIP-UP SIGHTS

$66.19 Add to cart
SIGMA SIX TACTICAL .223 NO TIMING FREE FLOAT MODULAR M-LOK 12″ HANDGUARD W/ FLIP-UP SIGHTS

$62.19 Read more
Sigma Six Tactical 10.5″ 7.62 Barrel and Bolt Carrier Group W/ 10″ M-Lok Handguard

$196.29 Read more
Sigma Six Tactical 16″ 7.62 Barrel and Bolt Carrier Group W/ 13″ M-Lok Handguard

$207.79 Read more
Sigma Six Tactical 16″ Barrel W/ 15″ M-Lok Handguard and Muzzle Brake

$145.79 Read more
Sigma Six Tactical 7.5″ 7.62 Barrel and Bolt Carrier Group W/ 7″ M-Lok Handguard

$215.49 Read more
SIGMA SIX TACTICAL AR-15 10.5″ 5.56 Carbine Length BARREL W/ 10″ HANDGUARD

$124.89 Read more
Sigma Six Tactical AR-15 12″ HANDGUARD W/ FDE UPPER

$107.49 Read more
SIGMA SIX TACTICAL AR-15 4″ HANDGUARD W/ UPPER

$80.49 Read more

AR-15 Partial Build Kits

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AR-15 Partial Build Kits

SIGMA SIX AR-15 UPPER 15″ HANDGUARD WITH AMBI CHARGING HANDLE (NO FORWARD ASSIST)

SIGMA SIX AR-15 UPPER W/ 12.5″ 5.56 BARREL AND CHARGING HANDLE

SIGMA SIX AR-15 UPPER W/ 12.5″ 5.56 BARREL AND CHARGING HANDLE (NO FORWARD ASSIST)

SIGMA SIX AR-15 UPPER W/ 16″ CARBINE BARREL AND AMBI CHARGING HANDLE

SIGMA SIX AR-15 UPPER W/ 16″ CARBINE BARREL AND AMBI CHARGING HANDLE (NO FORWARD ASSIST)

SIGMA SIX AR-15 UPPER W/ 16″ MIDLENGTH BARREL AND AMBI CHARGING HANDLE

SIGMA SIX AR-15 UPPER W/ 16″ MIDLENGTH BARREL AND AMBI CHARGING HANDLE (NO FORWARD ASSIST)

SIGMA SIX TACTICAL .223 NO TIMING FREE FLOAT KEY-MOD 12″ SLIM HANDGUARD W/ FLIP-UP SIGHTS

SIGMA SIX TACTICAL .223 NO TIMING FREE FLOAT MODULAR M-LOK 12″ HANDGUARD W/ FLIP-UP SIGHTS

Sigma Six Tactical 10.5″ 7.62 Barrel and Bolt Carrier Group W/ 10″ M-Lok Handguard

Sigma Six Tactical 16″ 7.62 Barrel and Bolt Carrier Group W/ 13″ M-Lok Handguard

Sigma Six Tactical 16″ Barrel W/ 15″ M-Lok Handguard and Muzzle Brake

Sigma Six Tactical 7.5″ 7.62 Barrel and Bolt Carrier Group W/ 7″ M-Lok Handguard

SIGMA SIX TACTICAL AR-15 10.5″ 5.56 Carbine Length BARREL W/ 10″ HANDGUARD

Sigma Six Tactical AR-15 12″ HANDGUARD W/ FDE UPPER

SIGMA SIX TACTICAL AR-15 4″ HANDGUARD W/ UPPER

AR Industries

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Contact Us