US Gun Source - Upper Receivers/Conv Kits http://www.usgunsource.com/upper-receiversconv-kits/ Product listing for Upper Receivers/Conv Kits en-us MediaMarketers.com 2A Armament BALIOS-LITE, Gen 2, Upper, 556NATO, Black, Billet 7075-T6 Aluminum, AR Rifles, FT 2A-MCBU-4 (Price: $269.14) http://www.usgunsource.com/upper-receiversconv-kits/83775-2a-armament-balios-lite-gen-2-upper-556nato-black-billet-7075-t6-aluminum-a.html http://www.usgunsource.com/upper-receiversconv-kits/83775-2a-armament-balios-lite-gen-2-upper-556nato-black-billet-7075-t6-aluminum-a.html Advantage Arms Conversion Kit, 22LR, 4.49" Barrel, Fits Glock 17/22, Black Finish, 1-10Rd Magazine, Includes Range Bag AAC17-22G3 (Price: $242.79) http://www.usgunsource.com/upper-receiversconv-kits/83805-advantage-arms-conversion-kit-22lr-449-barrel-fits-glock-1722-black-finish.html http://www.usgunsource.com/upper-receiversconv-kits/83805-advantage-arms-conversion-kit-22lr-449-barrel-fits-glock-1722-black-finish.html Advantage Arms Conversion Kit, 22LR, 4.49" Barrel, Fits Glock Generation 4 17/22, Black Finish, 1-10Rd Magazine, Includes Range Bag AAC17-22G4 (Price: $251.47) http://www.usgunsource.com/upper-receiversconv-kits/83806-advantage-arms-conversion-kit-22lr-449-barrel-fits-glock-generation-4-1722.html http://www.usgunsource.com/upper-receiversconv-kits/83806-advantage-arms-conversion-kit-22lr-449-barrel-fits-glock-generation-4-1722.html Advantage Arms Conversion Kit, 22LR, Fits Commander 1911, With Range Bag, Black Finish, Target Sights, 1-10Rd Magazine 191122C (Price: $242.79) http://www.usgunsource.com/upper-receiversconv-kits/83808-advantage-arms-conversion-kit-22lr-fits-commander-1911-with-range-bag-black.html http://www.usgunsource.com/upper-receiversconv-kits/83808-advantage-arms-conversion-kit-22lr-fits-commander-1911-with-range-bag-black.html Advantage Arms Conversion Kit, 22LR, Fits 1911, With Range Bag, Black Finish, Standard Sights, 1-10Rd Magazine AAC191122S (Price: $242.79) http://www.usgunsource.com/upper-receiversconv-kits/83809-advantage-arms-conversion-kit-22lr-fits-1911-with-range-bag-black-finish-st.html http://www.usgunsource.com/upper-receiversconv-kits/83809-advantage-arms-conversion-kit-22lr-fits-1911-with-range-bag-black-finish-st.html Advantage Arms Conversion Kit, 22LR, Fits 1911, With Range Bag, Black Finish, Target Sights, 1-10Rd Magazine AAC191122T (Price: $287.17) http://www.usgunsource.com/upper-receiversconv-kits/83810-advantage-arms-conversion-kit-22lr-fits-1911-with-range-bag-black-finish-ta.html http://www.usgunsource.com/upper-receiversconv-kits/83810-advantage-arms-conversion-kit-22lr-fits-1911-with-range-bag-black-finish-ta.html Advantage Arms Conversion Kit, 22LR, 4.49" Barrel, Fits Springfield Armory XD 9/40, Non-XDM Frames Only, Does Not Fit 3" Sub-compact, With Range Bag, Black Finish, 10Rd, 1-10Rd Magazine XD940-4 (Price: $242.79) http://www.usgunsource.com/upper-receiversconv-kits/83811-advantage-arms-conversion-kit-22lr-449-barrel-fits-springfield-armory-xd-94.html http://www.usgunsource.com/upper-receiversconv-kits/83811-advantage-arms-conversion-kit-22lr-449-barrel-fits-springfield-armory-xd-94.html Advantage Arms Conversion Kit, 22LR, 4.49" Barrel, Fits Glock 20/21 Gen 4, With Range Bag, Black Finish, 10Rd, 1-10Rd Magazine AAC20-21G4 (Price: $207.81) http://www.usgunsource.com/upper-receiversconv-kits/83813-advantage-arms-conversion-kit-22lr-449-barrel-fits-glock-2021-gen-4-with-ra.html http://www.usgunsource.com/upper-receiversconv-kits/83813-advantage-arms-conversion-kit-22lr-449-barrel-fits-glock-2021-gen-4-with-ra.html Advantage Arms Conversion Kit, 22LR, 4.02" Barrel, Fits Glock 19/23 Gen3, Black Finish, 1-10Rd Magazine, Includes Range Bag AAG19-23 G3 (Price: $242.79) http://www.usgunsource.com/upper-receiversconv-kits/83814-advantage-arms-conversion-kit-22lr-402-barrel-fits-glock-1923-gen3-black-fi.html http://www.usgunsource.com/upper-receiversconv-kits/83814-advantage-arms-conversion-kit-22lr-402-barrel-fits-glock-1923-gen3-black-fi.html Advantage Arms Conversion Kit, 22LR, 4.02" Barrel, Fits Glock Generation 4 19/23, Black Finish, Standard Sights, 1-10Rd Magazine, Includes Range Bag AAG19-23 G4 (Price: $242.79) http://www.usgunsource.com/upper-receiversconv-kits/83815-advantage-arms-conversion-kit-22lr-402-barrel-fits-glock-generation-4-1923.html http://www.usgunsource.com/upper-receiversconv-kits/83815-advantage-arms-conversion-kit-22lr-402-barrel-fits-glock-generation-4-1923.html Advantage Arms Conversion Kit, 22LR, 4.6" Barrel, Fits Glock 20/21/20SF/21SF, With Range Bag, Black Finish, 10Rd, 1-10Rd Magazine AACLE20-21 (Price: $207.81) http://www.usgunsource.com/upper-receiversconv-kits/83818-advantage-arms-conversion-kit-22lr-46-barrel-fits-glock-202120sf21sf-with-r.html http://www.usgunsource.com/upper-receiversconv-kits/83818-advantage-arms-conversion-kit-22lr-46-barrel-fits-glock-202120sf21sf-with-r.html Bravo Company Upper, Mil-Spec, 1913 Rail for Mounting Optics and Accessories, Flat Top, Black BCM4-UR-M4 (Price: $139.16) http://www.usgunsource.com/upper-receiversconv-kits/84989-bravo-company-upper-mil-spec-1913-rail-for-mounting-optics-and-accessories.html http://www.usgunsource.com/upper-receiversconv-kits/84989-bravo-company-upper-mil-spec-1913-rail-for-mounting-optics-and-accessories.html Black Rain Ordnance Milled Upper Receiver, 223 Rem/556NATO, Flat Top Sights, Black Finish BRO-MUR-2 (Price: $276.96) http://www.usgunsource.com/upper-receiversconv-kits/86042-black-rain-ordnance-milled-upper-receiver-223-rem556nato-flat-top-sights-bl.html http://www.usgunsource.com/upper-receiversconv-kits/86042-black-rain-ordnance-milled-upper-receiver-223-rem556nato-flat-top-sights-bl.html Black Rain Ordnance 458 SOCOM Complete Upper, 16" 4150 Chromoly Vanadium Steel Barrel, 1:14 Twist, Forged, 15" MLOK Rail, Nitride Coated BCG, Billet Charging Handle w/Extended Tac Latch, 458 SOCOM Muzzle Brake, Black Finish BRO-SPEC15-CU-458S (Price: $850.58) http://www.usgunsource.com/upper-receiversconv-kits/86058-black-rain-ordnance-458-socom-complete-upper-16-4150-chromoly-vanadium-stee.html http://www.usgunsource.com/upper-receiversconv-kits/86058-black-rain-ordnance-458-socom-complete-upper-16-4150-chromoly-vanadium-stee.html CMMG Conversion Kit, Bravo, Fits AR Rifles, 22LR, 10Rd 22BA62F (Price: $152.87) http://www.usgunsource.com/upper-receiversconv-kits/87277-cmmg-conversion-kit-bravo-fits-ar-rifles-22lr-10rd-22ba62f.html http://www.usgunsource.com/upper-receiversconv-kits/87277-cmmg-conversion-kit-bravo-fits-ar-rifles-22lr-10rd-22ba62f.html