RA5-SD Full Build

Not yet rated


RA5-SD full size complete build.

RA5-SD full size (MP5-SD) integral suppressed Semi-Automatic roller-delayed blowback.
Chambered in 9mm.


During checkout, please ensure that you select an FFL (Federal Firearms Licensee) that permits suppressor transfers (SOT). Failure to do so may result in an additional $25 processing fee for us to arrange an eligible FFL on your behalf.
Military and LEO, please contact us to claim your 5% discount.

*Current Build Times for Full Builds  8-10 week  Build Time (dependent on parts availability)

Built using quality LSC receiver flats. Properly rolled and welded upper receiver with the finest attention to detail.
All rolling, welding, machining, hand fitting of parts, coating, final assembly and test fire are done by one gunsmith.
From start to finish one gunsmith.
Integral (welded) receiver top 15 slot 1913 rail (opt out of rail in order notes).
Precision RCM cold hammer forged, ported MP5-SD barrel. With optimized porting,
Ronin Arms DEFCON 4 SD 12″ suppressor included with build.
Compatible with most SD suppressors on the market B&T, TPM, SilencerCo, Knights Armament…
Tungsten filled sear-ready RCM bolt group.
Anti-rattle magazine release.
Rubberized handguard/heat shield.
SEF-type semi-auto trigger group in HK grip module and selector.
One 30 round curved detachable magazines included.
Sights: Rear rotary drum; Front hooded post.
B&T side-folding stock (SBR) other stock option available for additional charge, email for info.
Professionally coated in-house in HK Black Duracoat final finish.

Caliber: 9mm x 19 Parabellum
Barrel length: 5.75″
Barrel twist: 1:10 with 6 right-hand grooves
Operation: Semi-automatic roller-delayed blowback

Barrel Length


Suppressor Length


Barrel Twist

1:10 with 6 right-hand grooves


There are no reviews yet.

Be the first to review “RA5-SD Full Build”
Welcome to Ronin Arms, in order to browse our site you must be at least 18 years of age.
Are you at least 18 years old?
Your Cart