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    • Windham Weaponry MPC AR15 Upper 556 16" M4 Black
    • Windham Weaponry MPC AR15 Upper 556 16" M4 Black

      Windham Weaponry Upper, 223 Rem/556nato, 16" M4 Barrel, Bayonet Lug And A2 Birdcage, Fits Ar Rifles, Chrome Lined Chamber, A3 Sights, Black Finish Ur16m4lhbModel: MPCProduct Type: UpperFinish/Color: BlackFit: AR RiflesCaliber: 223 Rem

    • $ 570.00 $ 502.66
    • Windham Weaponry SRC AR15 Upper 556 16" Ft Black
    • Windham Weaponry SRC AR15 Upper 556 16" Ft Black

      Windham Weaponry Upper, Src, 223 Rem/556nato, 16" M4 Barrel With Bayonet Lug And A2 Birdcage Flash Hider, Fits Ar Rifles, Chrome Lined, Flat Top, Black Finish Ur16m4ftbModel: SRCProduct Type: UpperFinish/Color: BlackFit: AR RiflesCaliber: 223 Rem

    • $ 570.00 $ 502.66
    • Advantage Arms Conversion Kit For Le20-21 G4-cln | Discount Gun Parts @ Gun Parts USA
    • Advantage Arms Conversion Kit For Le20-21 G4-cln

      Advantage Arms Conversion Kit, 22lr, 4.49" Barrel, Fits Glock 20/21 Gen 4, With Cleaning Kit, Black Finish, 10rd, 1-10rd Magazine Aac20-21g4Product Type: Conv KitFinish/Color: BlackFit: Fits Glk 20, 21 Generation 4Accessories: w/Clng KitCaliber: 22LR

    • $ 265.00 $ 242.74
    • Spike's Tactical 556nato M4 LE Upper with Rail
    • Spike's Tactical 556nato M4 LE Upper with Rail

      Spike's Tactical Upper, 223 Rem/556 Nato, 16" Barrel, 1:7 Twist, Fits Ar Rifles, Flat Top, Four Rail Handguard, Chrome Lined, Black Finish Stu5025-r9sProduct Type: UpperFinish/Color: BlackFit: AR RiflesAccessories: Four Rail Handguard and No MagsDescription: Flat TopCaliber: 223 Rem

    • $ 779.00 $ 715.07
    • Advantage Arms Conversion Kit Cmmdr 1911 22lr | Discount Gun Parts @ Gun Parts USA
    • Advantage Arms Conversion Kit Cmmdr 1911 22lr

      Advantage Arms Conversion Kit, 22lr, Fits Commander 1911, With Cleaning Kit, Black Finish, Target Sights, 1-10rd Magazine 191122cProduct Type: Conv KitFinish/Color: BlackFit: Commander 1911Accessories: w/Clng KitCaliber: 22LR

    • $ 275.00 $ 260.95
    • Advantage Arms Conversion Kit Tgt 1911 22lr Clea | Discount Gun Parts @ Gun Parts USA
    • Advantage Arms Conversion Kit Tgt 1911 22lr Clea

      Advantage Arms Conversion Kit, 22lr, Fits 1911, With Cleaning Kit, Black Finish, Target Sights, 1-10rd Magazine Aac191122tProduct Type: Conv KitFinish/Color: BlackFit: 1911Accessories: w/Clng KitCaliber: 22LR

    • $ 366.67 $ 308.64
    • Windham Weaponry HBC AR15 Upper 556 16" Hbar Black
    • Windham Weaponry HBC AR15 Upper 556 16" Hbar Black

      Windham Weaponry Upper, Hbc, 223 Rem/556nato, 16" Heavy Barrel, Fits Ar Rifles, Chrome Lined, A3 Carry Handle, Blackfinish Ur16lhbModel: HBCProduct Type: UpperFinish/Color: BlackFit: AR RiflesCaliber: 223 Rem

    • $ 560.00 $ 502.66
    • Core 15 Upper M4 556nato 16" Black Front Sight Base
    • Core 15 Upper M4 556nato 16" Black Front Sight Base

      Core 15 Upper, 223 Rem/556nato, 16" M4 Profile Barrel, A2flash Hider, Front Sight Base, Black Finish 100276Model: BASEProduct Type: UpperFinish/Color: BlackFit: AR RiflesCaliber: 223 Rem

    • $ 584.99 $ 478.02
    • Windham Weaponry VEX-SS Upper 556 20" Ss Fluted
    • Windham Weaponry VEX-SS Upper 556 20" Ss Fluted

      Windham Weaponry Upper, Vex-ss, 223 Rem/556nato, 20" Stainless Fluted Barrel, Flat Top, Black Finish Ur20fssftvbModel: VEX-SSProduct Type: UpperFinish/Color: BlackFit: AR RiflesCaliber: 223 Rem

    • $ 775.00 $ 731.93
    • Chiappa G2 Pro Upr 22lr 16" 10rd 7.8
    • Chiappa G2 Pro Upr 22lr 16" 10rd 7.8

      Chiappa Firearms Upper, M4-22 Gen Ii Pro, 22lr, 16" Heavy Barrel, 7.8" Forend, 8 Position Picatinny Rail, 2 Magazines, Black, 10rd 500-094Model: M4-22 Gen II Pro UpperProduct Type: UpperFinish/Color: BlackAccessories: 7.8 forend 8 position picatinny rail, 2 magsCaliber: 22LR

    • $ 339.00 $ 278.09
    • Core 15 Upper Mlok 556nato 16" Black
    • Core 15 Upper Mlok 556nato 16" Black

      Core 15 Upper, Mlok Handguard, 223 Rem/556nato, 16" Barrel, 1:7 Twist, Flat Top, Black Finish 13976Product Type: UpperFinish/Color: BlackFit: AR RiflesDescription: MLOKCaliber: 223 Rem

    • Sold Out
    • Spike's Tactical 556nato M4 LE Upper 16" Black
    • Spike's Tactical 556nato M4 LE Upper 16" Black

      Spike's Tactical Upper, Law Enforcement, 223 Rem/556nato, 16" Barrel, 1:7 Twist, Fits Ar Rifles, Flat Top, Chrome Lined, A2 Front Sights, Black Finish Stu5025-m4sModel: LEProduct Type: UpperFinish/Color: BlackFit: AR RiflesAccessories: No MagsDescription: Flat TopCaliber: 223 Rem

    • Sold Out
    • Advantage Arms Conversion Kit For Le19-23 W-cln | Discount Gun Parts @ Gun Parts USA
    • Advantage Arms Conversion Kit For Le19-23 W-cln

      Advantage Arms Conversion Kit, 22lr, 4.02" Barrel, Fits Glock 19/23, With Cleaning Kit, Black Finish, 1-10rd Magazine Aacle19-23Product Type: Conv KitFinish/Color: BlackFit: Fits Glk 19, 23Accessories: w/Clng KitCaliber: 22LR

    • Sold Out
    • Knights Armament Company Upper Receiver Sr-15 Cqb 11.5" URX4
    • Knights Armament Company Upper Receiver Sr-15 Cqb 11.5" URX4

      Knights Armament Company Sr-15, Cqb Mod2, Upper Receiver, 556nato, 11.5" Hammer Forged Barrel, Black Finish, Urx 4, Upper Receiver Assembly Cqb Mod 2 31294Model: SR-15Product Type: UpperFinish/Color: BlkFit: SR-15Accessories: URX 4Description: Upper Receiver Assembly Carbine Mod 2Caliber: 556NATO

    • Sold Out
    • DPMS Upper Oracle 308win 16" Black

      Dpms Oracle, Upper, 308 Win, 16", Black, A2, Ar Rifles, Flat Top 60603Model: OracleProduct Type: UpperFinish/Color: BlackFit: AR RiflesCaliber: 308 Win

    • Sold Out
    • Advantage Arms Conversion Kit For Le19-23 G4-cln | Discount Gun Parts @ Gun Parts USA
    • Advantage Arms Conversion Kit For Le19-23 G4-cln

      Advantage Arms Conversion Kit, 22lr, 4.49" Barrel, Fits Glock Generation 4 19/23, With Cleaning Kit, Black Finish,standard Sights, 1-10rd Magazine Aac19-23g4Product Type: Conv KitFinish/Color: BlackFit: Fits Glock 19/23 Generation 4Accessories: w/Clng KitCaliber: 22LR

    • Sold Out
    • Advantage Arms Conversion Kit For Le17-22 W-cln | Discount Gun Parts @ Gun Parts USA
    • Advantage Arms Conversion Kit For Le17-22 W-cln

      Advantage Arms Conversion Kit, 22lr, 4.49" Barrel, Fits Glock 17/22, With Cleaning Kit, Black Finish, 1-10rd Magazine Aacle17-22Product Type: Conv KitFinish/Color: BlackFit: Fits Glk 17, 22Accessories: w/Clng KitCaliber: 22LR

    • Sold Out
    • Bushmaster Upper 450bsh 20" Ft Black
    • Bushmaster Upper 450bsh 20" Ft Black

      Bushmaster Upper , 450 Bushmaster, 20" Barrel, Flat Top, Black Finish 91702Model: 450 BushmasterProduct Type: UpperFinish/Color: BlackFit: AR RiflesCaliber: 450 BUSHMASTER

    • Sold Out
    • Daniel Defense M4a1 Upper URG 14.5 with Pinned Brake 556 FDE
    • Daniel Defense M4a1 Upper URG 14.5 with Pinned Brake 556 FDE

      Dd M4a1 Upper Urg 14.5"pb 556 Fde The Daniel Defense M4A1 Upper Receiver Group features the M4A1 Rail Interface System (RIS II), which has been in use by US Special Operations Command (SOCOM) for the SOPMOD II Weapons System since 2005.  This two-piece, free-floating rail system allows the mounting of...

    • Sold Out
    • Knights Armament Company Upper Receiver Sr-15 Carb 14.5" URX4
    • Knights Armament Company Upper Receiver Sr-15 Carb 14.5" URX4

      Knights Armament Company Sr-15, Mod2, Upper Receiver, 556nato, 14.5, Black, Upper Receiver Extending Free Floating Barrel System, Upper Receiver Assembly Carbine Mod 2, Sr-15 31295Model: SR-15Product Type: UpperFinish/Color: BlackFit: SR-15Accessories: Upper Receiver Extending Free Floating Barrel SystemDescription: Upper Receiver Assembly Carbine Mod 2Caliber: 556NATO

    • Sold Out