OTB Suppressor Mounts (RSTA/SPR)

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Description

Our OTB (over the barrel) muzzle devices interface with our OTB Silencers, The RSTA and SPR.

Length: 4.15"
Material: 17-4 PH SS
Weight: 4.2 ounces
Attachment: 1/2x28 or 5/8x24 Industry STD threads
Finish: Black Oxide

  • Free of wear prone geometry
  • 17-4 PH stainless to withstand hard use
  • Lustrous black oxide finish
  • Griffin Laser Logo Marked
  • Industry Standard thread pitches
  • Shim set Included
  • Compatible with SPR and RSTA Silencers

Additional Details

SKU:
OTBMD

1 Review

  • 5
    SPR OTB Brake

    Published by Mouse on 13th Jan 2017

    I purchased and attached a GA SPR OTB brake for my franken-gun. I have a 14.5" medium weight mid-length BCM barrel with a 13" UTG Pro Super Slim rail. The brake was shipped quickly, in less than three days, and I promptly affixed it to my AR which had previously held an A2 style "birdcage" comp. The fit and finish is excellent and the quality is apparent right out of the package. The brake came with a shim set and some sweet GA stickers.
    Installation was incredibly simple and took me all of five minutes. I bought this brake to minimize recoil and to eventually purchase and accept a GA OTB can. The brake functioned flawlessly and indeed reduced perceived recoil by a considerable amount. I am very happy with this product and anticipate purchasing many more Griffin products.

    I am a Marine/DoD/LE vet and have been using an AR of one type or another in a professional capacity for over a decade. I am impressed by this product and by this company overall.

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