In stock right now at the AirRattle online store is the A&K Magpul Masada ACR SPR version and here's their instructional overview... "The A&K Magpul Masada SPR is an exceptional DMR airsoft rifle. Designed to provide the best ergonomics possible while providing the firepower needed, the Masada SPR is impressive both externally and internally.

Featuring a full replication license by Magpul, the Masada SPR is an exact 1:1 scale and features Magpul trademarks as well as caliber markings. The upper receiver, barrel, and sights are all crafted out of CNC machined aluminum while the lower receiver, handguard, and stock are made out of nylon fiber polymer. The materials used feature the same construction layout as its real-steel counterpart."