PSA Introduces A5-length S5 Buffer System

Daniel Y
by Daniel Y
PSA Introduces A5-length S5 Buffer System 

Palmetto State Armory needs little introduction. They are firmly established in the market as one of the largest gun manufacturers. Their Sabre line just expanded to include an A5-length buffer kit, called the S5.

PSA @ TFB:

The PSA Sabre line is targeted as an affordable duty-grade option. An A5-style buffer system fits perfectly in that space. For those unfamiliar, the A5 system originated at VLTOR as a mix of rifle- and carbine-length buffer systems. It is the best of both worlds, with a collapsible stock and the longer, smoother travel found in the rifle buffer. Unfortunately, it has been hard to source the parts for those systems.
The S5 is essentially that system but with PSA parts and a PSA price point. The S5 kit includes all parts needed to convert a rifle or carbine. An extended buffer tube with nine stock positions houses the unit. A SpringCo green spring comes standard, as well as an endplate with a QD sling point. The S5 needs a special buffer length, and one is included.
PSA also sells other weights of S5 buffers for those who want to tailor the system to their gun. Their website lists four options currently available :
H1 – 4.6 Oz – $29.99
H2 – 5.5 Oz – $34.99
H3 – 6.4 Oz – $39.99
H4 – 7.2 Oz -$44.99

Each of those buffers has a color-coded tip for easy identification. The S5 Buffer Kit is on sale for $99.99 as of the time of writing. You can find it here.

The S5 H2 buffer features a blue tip.
From the manufacturer:
Palmetto State Armory Sabre S-5 Carbine buffer tube assembly. Includes Sabre 9 position mil spec diameter 7075 premium buffer tube that is polished internally, castle nut, Aluminum QD latch plate, carbine buffer assembly, Sprinco Green Spring. All parts are made in America.
The buffers are also marked with the Sabre logo and weight class.

All images from PSA



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Daniel Y
Daniel Y

AKA @fromtheguncounter on Instagram. Gun nerd, reloader, attorney, and mediocre hunter. Daniel can still be found on occasion behind the counter at a local gun store. When he is not shooting, he enjoys hiking, camping, and rappelling around Utah.

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22 of 25 comments
  • Aono Aono on May 30, 2023

    No mention of whether this has an equivalent internal spring. That's half the innovation of the A5.

    • See 16 previous
    • Ahab Ahab on Jun 01, 2023

      @Andrew I'll try pulling it out this weekend. Unfortunately the BCM extension doesn't have a retention hole for the buffer retainer, so it's a bear to pull it out.

  • Andrew Andrew on May 30, 2023

    “the longer, smoother travel found in the rifle buffer.”

    The travel is not longer in the A5. That’s not possible with a standard-dimension bolt carrier group. The carbine, rifle, and A5 all have the same travel unless you’ve got a Surefire OBC.

    • See 2 previous
    • Aono Aono on May 30, 2023

      @Andrew I don't think so, it was only H2 weight. It's already gone from their site. Maybe someone realized that taking up every last bit of clearance wasn't a great idea? "LMT H2 ISL-E Buffer"

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