SPR (OTB) Silencer 5.56mm


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The SPR OTB (Over the Barrel) Silencer is suited to the shooter who wants the least amount of gas blowback in semi auto systems and the best sound suppression with minimal addition to weapon system length. Our over the barrel mounts are rock solid and provide minimal and repeatable point of impact shift.

Additionally this mounting system reduces fouling due to its low back pressure design and tends to negate the need for tuning gas systems in semi auto systems for the most reliable operation. The SPR also features our Patent Pending baffle technology which offers unparallelled reduction of sound both at the muzzle and at the ejection port in semi auto firearms for balanced, and optimized system performance.

The SPR is CNC machined, and TIG fusion welded for maximum thermal transfer and unparalleled strength and durability. The SPR is manufactured from high strength, high temperature, corrosion resistant 17-4ph stainless steel. The SPR suppressor features our flawless bore technology for maximum accuracy and fully blueprinted tolerances.

Diameter: 1.47"
Overall Length: 8.6"
Length Added: 4.5"
Weight: 18 ounces
Materials: High strength, high temp, corrosion resistant 17-4ph Stainless Steel
Attachment: OTB Mounts
DB Attenuation: 36-40DB
Finish: High Temp Griffin Endura-Kote
Full Auto Rated: Yes

  • Tig Fusion Welded
  • Flawless Bore
  • Minimal and Repeatable POI shift
  • Rock Solid Mounting
  • 5.56mm OTB mount Compatible
  • Griffin High Temp Endura-Kote
  • Shim set Included

User Serviceable?:
5.56mm (.223)
Attachment System: