AR-15 Upper Receivers

Showing 33–47 of 47 results

• 

  regulator – AR-15 7.62×39 COMPLETE PISTOL 7.5″ UPPER BUILD KIT

  $288.19 Read more
• 

  Sigma Six AR-15 Upper 15″ Handguard with Ambi Charging Handle

  $136.99 Read more
• 

  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 9MM Upper Receiver

  $56.49 Add to cart
• 

  SIGMA SIX TACTICAL AR-15 A4 Raw Aluminum UPPER RECEIVER

  $43.29 Add to cart
• 

  Sigma Six Tactical AR-15 Anchor Harvey Raw Upper Receiver

  $39.79 Add to cart
• 

  Sigma Six Tactical AR-15 UPPER RECEIVER BLACK

  $72.79 Read more
• 

  Sigma Six Tactical Upper Receiver and 10.5″ 5.56 Barrel W/ Nickel Boron Bolt Carrier Group and 9″ M-Lok Handguard

  $243.69 Read more
• 

  Sigma Six Tactical Upper Receiver and 10.5″ 5.56 Barrel W/ Nickel Boron Bolt Carrier Group and 9″ Tubular Handguard

  $227.69 Read more