What's in the Box Q Boombox 8.6 Blackout Short Barreled Rifle with 12 Inch Barrel (1) 20 Round LR PMAG Gen 3 Magazine 5/64 Inch Hex Key 3/32 Inch Hex Key Lock Device The latest innovation from Q is The Boombox - The lightest, most compact, and most reliable battle rifle on the market, and it can reliably and accurately shoot both suppressed super and subsonic ammunition. This semi-auto, direct impingement 8.6 Blackout gas gun comes with a 12" stainless steel barrel with a 1:3" twist rate. The lightweight handguard on the Boombox aids in mitigating deflection, allowing for versatility to the highest degree, and also incorporates QSERT technology, allowing full customization with Q's entire lineup of QSERT accessories. The receiver, just like the Honey Badger, is crafted of 7075 aluminum with a clear anodized finish. It is compatible with all SR-25 magazines. Just like the receiver and its similarities to the Honey Badger, the stock of the Boombox is also similar, however, it is slightly longer, allowing for a bit more of a cheek weld, while also assisting in recoil mitigation. One of the most unbelievable features of the Boombox is its weight. It comes in at just 5 lbs 8 oz! If you're looking for the most compact, lightweight and reliable AR-10 platform on the market, then the Boombox should be at the top of your list. Firearm Specifications OPERATING SYSTEM: Semi-Auto - Direct Impingement CALIBER: 8.6 Blackout WEIGHT: 5 lbs 8 oz BARREL LENGTH: 12 inches BARREL MATERIAL: 416R Stainless Steel BARREL FINISH: Bead Blasted TWIST RATE: 1:3 MUZZLE DEVICE: XL Cherry Bomb THREADS: M18x1.5 (Tapered Shoulder) MAG TYPE: SR-25 MAG CAPACITY: 20 QTY MAGS INCLUDED: 1 LENGTH OF PULL: Collapsed: 8.375 inches - Extended: 13 inches TRIGGER TYPE: Literally The Best Trigger Ever Made TRIGGER WEIGHT: 3.25 lb - 3.75 lb SAFETY: AR-15 Style Ambi STOCK TYPE: 2 Position, collapsible GRIP TYPE: Reptilia CQG-NB HANDGUARD: Q-Sert, 11 inches HANDGUARD MATERIAL: 6061 TOP RAIL: Continuous M1913 Picatinny Top Rail TOP RAIL MATERIAL: 7075 RECEIVER MATERIAL: 7075 RECEIVER FINISH: Clear, Hardcoat Anodize OVERALL LENGTH: Collapsed: 26.75 inches - Extended: 31.25 inches OVERALL WIDTH: 1.5 inches HEIGHT: 7.25 inches Silencer: Not included - Porq Chop or Short Chop recommended SIGHTS & OPTICS: Not Included