Santan Tactical STT-15 Big Bore Pillar Billet Upper Receiver

Santan Tactical STT-15 Big Bore Pillar Billet Upper Receiver

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Your Price: $246.51
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Part Number:RRSTTBBPILLAR1
The Santan Tactical STT-15 Big Bore Pillar Billet AR-15 Upper Receiver has an enlarged ejection port better ejection of .458 SOCOM and .50 Beowulf cases. The Pillar Upper Receiver has innovative weight savings in areas where extra mass isn't needed, and extra strength in areas where it is needed. SanTan's Pillar Upper is CNC machined with the use of 3D CAD modeling software. The Pillar has a new truss system to help distribute weight of longer handguard systems throughout the entire upper receiver instead of putting the entire weight of the handguard on the threads of the receiver. Excess weight has been removed from the the forward assist block and the shell deflector. The result is a billet upper that has a weight of only 8.2 ounces which is lighter than some slick side uppers.

Caliber: .458SOCOM & .50 Beowulf

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