OTB Suppressor Mounts (RSTA/SPR)

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(5 reviews) Write a Review

Our OTB (over the barrel) muzzle devices interface with our OTB Silencers, The RSTA and SPR.  This two-piece, welded design will be sure to impress your friends.  Automated welds provide aesthetically pleasing and rugged design and functional characteristics.  The Paladin® R muzzle brake is integrated into this modern twist on a Griffin classic.  "R" implies the reverse braking motion that kills recoil and keeps your shots on target.  Enjoy.  

Length: 3.6"
Material: 17-4 PH SS
Weight: 4.2 ounces
Attachment: 1/2x28 or 5/8x24  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

5 Reviews

  • 5
    Critical components that work and are dependably safe

    Published by John on 18th Sep 2023

    I’ve got the same mount on two other rifles i use this suppressor with. Shortens the overall length of rifle-suppressor set up. I own two types of Griffin suppressors and a total of five muzzle devices on 4 rifles and one pistol. The reason for the inventory is to tell you that if the first item was not outstanding in every way I would have bought the next item, or the one after that, or the one after that…. Outstanding products, customer service and support, training documents and videos, field proven innovation.

  • 5
    RSTA .30 cal

    Published by Clay on 25th Oct 2021

    Great suppressor drops recoil so you can stay on target can watch it break paper at 100 yards. Drops sound dramatically on my .308 with a 22" barrel haven't shot it on the grendel or 5.56 yet but I'm sure it will fo great. I purchased it for hunting and so far Im really happy do wish I could take it apart to clean but other than that a great great suppressor.

  • 5
    5.56 RSTA BRAKE ,OTB

    Published by johnny on 29th Apr 2021

    Exactly what I needed for my RSTA 7.62 can. Now the RSTA can is truly versatile for my needs. And as always good people to do business with and shipped faster than quoted. Can't ask for any better than that.

  • 5
    Great muzzle device

    Published by Mercy Justin on 31st Mar 2021

    Quality brake with compensating benefits, smooth thread engagement, 6 shims included (3 thin, 3 thick) allows for effective timing and torquing with minimal shims used. Flats on the brake allow for use of standard armorer's wrench. Looks good as well. Logos on unit are discreet and tasteful. I initially used on a 9" BCM enhanced 300BO barrel with pistol length gas. There is plenty of clearance from the adapter and can to the adj SLR sentry 7 gas block. I've purchased hated 2 additional brakes, one for .30 cal and another for 5.56 to use this RSTA suppressor on three guns. I would recommend the brake and the can, especially for tucked suppressor applications where the QD release lever on something like a surefire can wouldn't be accessible. Great can and a great mount.

  • 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.