GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025R9S show more like this 14.99 Defense Depot GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black $605.06 STU5025R9S show more like this Calculated in Cart DACK Outdoors GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025R9S show more like this Calculated in cart GunZoneDeals GC_UPC Spikes STU5025-R9S ST-15 LE Carbine Upper 5.56 16 in M4 Profile Brl Quad Rail Blk MAP STU5025R9S show more like this Flat Rate Starting at $11.99 Hinterland Outfitters GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025-R9S show more like this Huligan Arms GC_UPC Spike's Tactical 16-inch AR-15 Complete Upper 5.56 NATO M4 LE with 9-inch Rail $635.99 STU5025R9S show more like this 14.84 GrabAGun.com GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025R9S show more like this 14.95 TheGunDock.com GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025R9S show more like this Free shipping over $400 (Excludes Ammo) Gman Sport GC_UPC SPIKE'S TACTICAL ST-15 UPPER RECEIVER MAP - show more like this 7.99 Guns.com GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025R9S show more like this 9.99 SHTF Tactical GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025R9S show more like this Free on Firearms Acute Firearms GC_UPC Spikes ST-15 LE Carbine Upper 5.56 16" M4 Profile Brl Quad Rail $701.10 STU5025-R9S show more like this Free (Except HI/AK) Impact Guns GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black MAP STU5025R9S show more like this 8.95 The Armories GC_UPC Spikes Tactical STU5025-R9S ST-15 LE Carbine Upper 5.56 16" M4 Profile Barrel Quad Rail Black $743.40 STU5025R9S show more like this Calculated in Cart Classic Firearms GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black $743.40 STU5025R9S show more like this 14.95 Guns 2 Ammo GC_UPC Spikes ST-15 LE Carbine with Quad Rail STU5025-R9S $743.40 STU5025-R9S show more like this Sahuarita Guns GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black $743.40 STU5025R9S show more like this Free shipping on orders over $300 Skogen’s Gun Supply GC_UPC Spikes STU5025R9S ST-15 LE Carbine 223 Rem,5.56x45mm NATO Black $743.40 STU5025R9S show more like this 19.99 The Armory at LTT GC_UPC Spikes ST-15 LE Carbine with Quad Rail STU5025-R9S $743.40 STU5025-R9S show more like this Handguns $25 / Rifles $34.99 Charter Tactical GC_UPC Spikes ST-15 LE Carbine with Quad Rail STU5025-R9S $743.40 STU5025-R9S show more like this Miami Police Depot GC_UPC Spikes ST-15 LE Carbine with Quad Rail STU5025-R9S $743.40 STU5025R9S show more like this $29.99 Handguns, $39.99 Long guns, $19.99 Ammunition, $19.99 Suppressor, $12.95 Everything else, Orders over $1000 ship free United Patriot Supply GC_UPC Spikes ST-15 LE Carbine with Quad Rail STU5025-R9S $743.40 STU5025-R9S show more like this Defensive Ballistics GC_UPC Spikes ST-15 LE Carbine with Quad Rail STU5025-R9S $743.40 STU5025-R9S show more like this Mainstreet Munitions GC_UPC Spike's Tactical STU5025R9S Upper 5.56 16" for M4 Carbine AR-15 $744.00 STU5025R9S show more like this $9.99 - $19.99 Deguns.net GC_UPC Spike's Tactical AR-15 Complete Upper Assembly 16" Carbine Gas 9" BAR Handguard Black STU5025-R9S $750.30 STU5025-R9S show more like this $10 Flat for Firearms Cheaper Than Dirt GC_UPC Spikes ST-15 LE Carbine with Quad Rail STU5025-R9S $763.84 STU5025R9S show more like this Additional, Calculated in cart BFG Outfitters