Complete Top End Includes Barrel, Free-Float Handguard, Bolt & Carrier

Ready to install .308/7.62 NATO upper receiver comes fully assembled with bolt/carrier, charging handle, free-float handguard, gas block, and barrel. Lets you change your LR-308 from a sporter to a match rifle or long-range varminter in just minutes—or build a completely new gun customized to your exact needs Beefy, thick-walled receiver of extruded 6066 T6 aluminum is hardcoat anodized to military standards for extra surface strength, with a hard, black Teflon coating to resist scuffs and scratches. Free-floated forend of smooth, rigid machined aluminum gives plenty of air space to protect your hand from a hot barrel during sustained shooting. Includes swivel stud and QD sling swivel. All barrels have 1-10" twist for proper bullet stabilization. Bull Barrel models have a heavy .920" O.D. barrel with recessed 90° target crown. Snag-free, smooth-side receiver without ejection port cover, shell-deflector, or forward assist; an elevated Picatinny rail allows easy scope mounting without adding a riser mount. Lightweight, aluminum gas block has plenty of metal to withstand the hot gasses from thousands of firing cycles; topside Picatinny rail lets you mount the front sight of your choice, including flip-up models. Available with 18" barrel of 4140 chrome-moly (CM) carbon steel alloy and 7¼" carbine-length forend, or 24" bull barrel of 416 stainless steel (SS) with 12" rifle-length forend. AP4 Carbine has A3-style Lo-Rider receiver with forward assist and ejection port cover. 16" USGI-style, light contour barrel of 4140 chrome-moly, with M203 mount cutout, 7¼" forend, and A2-type gas block/front sight tower with bayonet lug and sling swivel. Includes Panther flash suppressor with gas-dispersing helical ports and aggressive, serrated CQB tip.