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11.5″ SIONICS Upper Receiver Group
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12.5″ SIONICS Upper Receiver Group
from: $87500 -
14.8″ SIONICS Upper Receiver Group
from: $87500 -
SIONICS 14.8″ Upper Receiver Group – Pin & Weld
from: $95000 -
16″ SIONICS Upper Receiver Group
from: $87500
Premium Upper Receiver Group
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11.5″ SIONICS Premium Upper Receiver Group – S-15 Rail
from: $1,20000 -
12.5″ SIONICS Premium Upper Receiver Group – S-15 Rail
from: $1,20000 -
14.8″ SIONICS Premium Upper Receiver Group – S-15 Rail
from: $1,20000 -
16″ SIONICS Premium Upper Receiver Group – S-15 Rail
from: $1,20000
LRS Upper Receiver Group
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16″ SIONICS LRS-URG – 5/8 x 24 Thread
from: $1,30000 -
14.8″ SIONICS LRS-URG – 1/2 x 28 Threaded
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14.8″ SIONICS LRS-URG – 14.8″
from: $1,30000










