You have no items in your shopping cart.
Shop for Sig Sauer
Shop for a variety of fully built AR-15 upper receivers with varying barrel lengths as short at 5.5" and as long as 18". We stock and sell uppers from Advanced Armament, Spikes Tactical, Sig Sauer, Primary Weapons Systems, Tactical Solutions, Blackheart International, and Troy Industries.
AR-15 upper receivers are offered in quite a few calibers and we carry many including .22lr, 5.56 Nato, .300 Blackout, 5.7x28, and 9mm.
AR-15 upper receivers are offered in quite a few calibers and we carry many including .22lr, 5.56 Nato, .300 Blackout, 5.7x28, and 9mm.
-
Sig Sauer M400 / AR15 Stripped Upper Receiver
$199.99 -
Sig Sauer MCX AR15 Conversion Kit - 16" .300 BLK
$1,489.99 -
Sig Sauer MCX AR15 Conversion Kit - 16" 5.56mm NATO
$1,489.99 -
Sig Sauer MCX Conversion Kit w/ 2-Stage Trigger - 9" .300 BLK
$1,439.00 -
Sig Sauer MCX Rattler AR15 Conversion Kit - 5.5" .300 Blackout
$1,579.99 -
Sig 516 Upper Assembly, 5.56mm, 10" Barrel
$999.00Out of stock
-
Sig 516 Upper Assembly, 5.56mm, 7" Barrel - NFA Item
$1,099.00Out of stock
-
Sig Sauer 516 Gen2 16" Full-Auto Upper Receiver
$1,199.00Out of stock
-
Sig Sauer 516 Gen2 Upper Assembly - 14.5" 5.56mm NATO
$999.00Out of stock
-
Sig Sauer 516 Gen2 Upper Assembly - 7" 5.56mm NATO (Full Auto)
$1,099.00Out of stock
-
Sig Sauer 516 Gen2 Upper Assembly, 5.56mm, 16" Barrel
$999.00Out of stock
-
Sig Sauer 516 Upper Complete 10" Automatic
$1,199.00Out of stock
-
Sig Sauer 516 Upper Complete 10" Automatic
$1,199.00Out of stock
-
Sig Sauer M400 16" .300 BLK Upper Receiver
$599.00Out of stock
-
Sig Sauer M400 16" 5.56mm Upper Receiver
$499.99Out of stock
