AERO PRECISION - 5.56 ASSEMBLED UPPER BUILD KIT W/ATLAS R-ONE HANDGUARD FOR AR-15

Why buy a complete rifle, only to discard half (or more) of its parts as you customize it? Money down the drain! Our Aero Precision AR-15 Upper Bundles contain the three core components: receiver, barrel, and an extended M-LOK® handguard. You purchase separately the exact components you want to complete the rest of the upper. The result? Nothing left over to clutter up your spare parts drawer, parts you may never use! Each Aero Precision AR-15 Upper Bundle comes with Aero's mil-spec, flattop, M4-type upper receiver, with the forward assist and ejection port cover already installed. It has laser-engraved T-marks on the Picatinny rail, and M4 feed cuts inside help ensure reliable feeding of rounds into the chamber. It's compatible with any mil-spec and many billet AR-15 lower receivers.

The 16" Government Profile barrel is by Ballistic Advantage - folks known for producing high-quality barrels that stand up to hard use AND don't cost an arm and a leg. You have the choice of a barrel with the gas port drilled for a standard CARBINE-length gas tube or for a MID-LENGTH gas tube, which helps produce a smoother, gentler cycling, more reliable-feeding rifle while retaining the same-size compact M4 carbine package.

FEATURES

• Gives you a head-start on your next custom AR-15 build!
• Mil-spec upper compatible with mil-spec lowers & many billet lowers
• Versatile Atlas R-One tactical / competition free-floating M-LOK® handguard
• Ballistic Advantage government-profile 16" barrel
• Get it with barrel drilled for CARBINE-length or MID-LENGTH gas system

Whichever barrel you choose, you'll surround it with Aero Precision's Atlas R-One M-LOK® Handguard. It has a full-length Picatinny rail on top, multiple rows of M-LOK® slots, and QD sling swivel sockets at the 3, 6 and 9 o'clock positions - for outstanding versatility in mounting accessories exactly where you need them. And the R-One is super easy to install with the Aero Taper Lock Attachment System (ATLAS), which employs two locking nuts that provide even clamping pressure around the included barrel nut. The result is a rock-solid, low-profile, no-wobble, free-floating handguard.

See all of our AR15s and AR15 parts here.