SILVERBACK SRS A1 SPORTS 20″ BOLT ACTION RIFLE (DARK EARTH) – Nek Nek
Toysaurus - SRS SILVERBACK features: Quick change of barrel length and rail system length. Bullpup design. Silverback SRS Sport series comes in 20" Outer Barrel. Adjustable Hop up w/ external dials. 6.05mm
SRS-A2/M2 22” – Silverback Airsoft
Silverback SRS-A1 Covert Handguard, Sport 20″ Barrel Assembly and Hop-Up Unit | Airsoft Sniper Forum
Silverback SRS-A1 20” Sport + Scope HAWKE Panaroma - Spring Rifles - Airsoft Forums UK