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Phase 5 Hex-2 PBT and Law Tactical Gen Folding Stock Adapter

Posted on June 16th, 2014 by ar15news

Phase 5 Tactical has recently released two additional Pistol Buffer Tubes giving them a total of 3 that they produce. The two new tubes are part of their “HEX” line. Last night I installed the new Phase 5 Weapon Systems HEX-2 Pistol Buffer tube with a Law Tactical Gen2 Folding Stock Adapter on one of my AR Pistols. The HEX-2 is designed specifically to be used in conjunction with either the supplied foam pad or the Sig Sauer SB15 Arm Brace. The “HEX” portion of the tube doesnt allow the SB15 to slide all the forward creating a bit more length to the overall setup but leaves a small opening at the rear of the SB15. The HEX-2 comes with a plug for the end of the SB15 brace which allows for some storage capability and is a neat touch. 

Phase 5 Tactical Hex-2 Pistol Buffer Tube 1

Here’s a closer look at this setup. For those wondering why they can’t find any Law Tactical Folding Stock Adapters anywhere, the Gen3 is coming out soon and its going to be a really nice upgrade over the Gen2 which was already a great product. 

Phase 5 Tactical Hex-2 Pistol Buffer Tube 2

Just figured I would share this setup with you guys. I will be giving an in-depth review of the new Phase 5 “HEX” line of tubes in the near future. The whole kit including the tube, castle nut, end plate, foam pad and SB15 plug is available now for just $60 at

The upper has a Centurion Arms 9.5″ CMR rail, 7.5″ KAK Industry 300BLK barrel, Kaw Valley Precision comp, a set of Magpul MBUS Pro and a Fortis Mfg Hammer charging handle.

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