Current Standard for Military and Law Enforcement The DPMS AP4 carbine has been sold to thousands of individual law enforcement officers, agencies, civilian contractors, as well as the military, US service members and law enforcement. No wonder the AP4 is the most-trusted and best-selling rifle in DPMS history.

DPMS focuses on precision - in manufacturing and marksmanship - and strives to create the most accurate rifles on the planet. DPMS is an industry leader in providing quality AR-style rifles, components and accessories. No other company offers more styles or configurations of AR rifles.

Barrel: 16" Length w/A2 flash hider (birdcage) 4150 Chrome Lined Manganese Phosphated 6 grooves, right-hand 1x9 twist, button rifled Chamber: 5.56x45mm Method of Operation: Gas operated rotating bolt Bolt & Carrier: 8620 steel bolt carrier, heat treated and plated per Mil Spec Phosphated steel bolt, heat treated and plated per Mil Spec Sights: A2 front sight Assembly Weight: Empty - 7.15 lbs. Length: Extended: 36 3/8" Collapsed: 32 1/2" Upper Receiver: A3 Style with detachable carrying handle and and rear sight adjustable for windage and elevation, Forged 7075-T6 aircraft aluminum alloy Hard coat anodized per Mil Spec and Teflon coated black Dust cover Shell deflector Round forward assist Right hand ejection Lower Receiver: Forged 7075-T6 aircraft aluminum alloy Hard coat anodized per Mil Spec and Teflon coated black Semi-auto trigger group Aluminum trigger guard Aluminum magazine release button Stock: AP4 - 6 position, telescoping fiber reinforced polymer Handguards: GlacierGuards™ Oval, Carbine length Aluminum Delta Ring