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    CMMG AR-15 M4 LE A3 Upper Receiver Assembly 9mm Luger 16" Barrel

    CMMG AR-15 M4 LE A3 Upper Receiver Assembly 9mm Luger 16" Barrel

    This complete CMMG AR-15 M4 LE Upper Assembly features a chrome-moly steel barrel. The upper makes use of a ramped, 9mm-specific bolt that enables the use of a standard AR-15 hammer (dedicated 9mm hammers are not compatible), and comes complete with a... more

    $739.99

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    MidwayUSA

    (950,000+)
    CMMG Barrel and Stainless Steel Rimfire Bolt Assembly AR-15 22 Long Rifle M4 Contour 1 in 16" Twist 16" Chrome Moly Matte

    CMMG Barrel and Stainless Steel Rimfire Bolt Assembly AR-15 22 Long Rifle M4 Contour 1 in 16" Twist 16" Chrome Moly Matte

    The CMMG 22 Long Rifle Barrel and Bolt Assembly allow you to assemble an upper receiver into a dedicated .22 LR upper. No more switching back and forth. A dedicated rimfire upper will be more accurate than one with a conversion kit since the barrel is... more

    $329.99

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    MidwayUSA

    (950,000+)
    Cmmg Ar-15 M4 9mm Upper Receiver 16" Chrome Moly

    Cmmg Ar-15 M4 9mm Upper Receiver 16" Chrome Moly

    Caliber: 9mm Barrel: 16.1″, 1:10 twist, M4 profile, 4140CM, SBN Muzzle: A2 comp., threaded 1/2-36 Hand Guard: M4 type 2 piece hand guards Receivers: Forged 7075-T6 AL M4 type Trigger: Single stage mil-spec style trigger Weight: 6.3 lbs (unloaded)... more

    $745.77

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    CMMG Barrel AR-15 22 Long Rifle M4 Contour 1 in 16" Twist 16.1" Chrome Moly Salt Bath Nitride with Chamber Adapter

    CMMG Barrel AR-15 22 Long Rifle M4 Contour 1 in 16" Twist 16.1" Chrome Moly Salt Bath Nitride with Chamber Adapter

    This barrel from CMMG is just what you need to build a dedicated 22 LR upper receiver for your AR-15. By duplicating the M4 profile you can train with rimfire ammo while handling a gun that feels just like its centerfire counterpart. This barrel... more

    $189.99

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    MidwayUSA

    (950,000+)
    CMMG Mk4LE 5.56 AR-15 Upper Receiver Group

    CMMG Mk4LE 5.56 AR-15 Upper Receiver Group

    The CMMG Mk4LE 5.56 AR-15� Upper Receiver Group features a 16.1", M4 profile, 4140 chrome-moly steel barrel. A salt bath nitrided finish is applied to the barrel inside and out, along with the front sight base for improved wear, abrasion, and corrosion... more

    $629.99

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    CMMG Mk4LE 5.56 AR-15 Upper Receiver Group

    CMMG Mk4LE 5.56 AR-15 Upper Receiver Group

    The CMMG Mk4LE 5.56 AR-15� Upper Receiver Group features a 16.1", M4 profile, 4140 chrome-moly steel barrel. A salt bath nitrided finish is applied to the barrel inside and out, along with the front sight base for improved wear, abrasion, and corrosion... more

    $629.99

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    Cmmg Ar-15/M16 22lr Dedicated Barrel - Ar15 9.2" 22lr Barrel W/ Collar

    Cmmg Ar-15/M16 22lr Dedicated Barrel - Ar15 9.2" 22lr Barrel W/ Collar

    M4-contour barrel converts a standard .223/5.56 upper receiver to a dedicated .22 LR upper when used in conjunction with a CMMG, Ciener, or other Atchison-style .22 rimfire conversion kit (sold separately) and magazine (CMMG or Black Dog). Solves the... more

    $199.99

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    CMMG, Inc M4-LE Upper 300 AAC BO 16" Sight

    CMMG, Inc M4-LE Upper 300 AAC BO 16" Sight

    16\" 300 AAC BLACKOUT UpperSpecifications:- Carbine Length Handguard- F-Marked Front Sight Base- Carbine Length Gas System- Flat-top A3 Upper Receiver- Compatible with standard AR15 lowers- 16\" Barrel- 1:8 Twist- 5/8x24 Threaded A2 Style Flash Hider-... more

    $881.94

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    "CMMG UPPER M4 T 22LR 16"" FT BLK"

    "CMMG UPPER M4 T 22LR 16"" FT BLK"

    "Product Specifications UPC Code: 815835016030 Manufacturer: CMMG Model: Trgt Type: Upper Caliber: 22LR Barrel Length: 16 Finish/Color: Black Accessories: KeyMod Free Float Handguard Type of Barrel: 1:16 Chokes: A2 Brake Description: Flat Top Fit: AR... more

    $499.95

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    Cmmg Upper 556nato M4 Carb 16 A2 Fh

    Cmmg Upper 556nato M4 Carb 16 A2 Fh

    Cmmg Upper 556nato M4 Carb 16 A2 Fh more

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    $812.44

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    CMMG 55AFF2F AR Parts Upper pins and Springs AR Style AR-15/M16/M4

    CMMG 55AFF2F AR Parts Upper pins and Springs AR Style AR-15/M16/M4

    Parts Kit, AR15, Upper Pins and Springs is easy to use. more

    $15.58

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    "CMMG UPPER 556NATO M4 CARB 16"" A2 FH"

    "CMMG UPPER 556NATO M4 CARB 16"" A2 FH"

    "Type a description for this product here..." more

    $549.99

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    Cmmg Upper M4 T 22lr 16 Ft Black

    Cmmg Upper M4 T 22lr 16 Ft Black

    Cmmg Upper M4 T 22lr 16 Ft Black more

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    $749.94

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    CMMG, Inc 5.56 16" M4 LE 1:9 Car Gas Bbl Ext

    CMMG, Inc 5.56 16" M4 LE 1:9 Car Gas Bbl Ext

    5.56 16\" M4 LE 1:9 Car Gas Barrel ExtensionSpecifications:- Caliber: 5.56x45mm NATO Chamber - Barrel: 16\" M4 Profile Barrel- WASP Treated 4140 Chrome-Moly Steel- 1:9\" Twist more

    $259.99

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    "M4-LE Upper 300 AAC BO 16"" Sight"

    "M4-LE Upper 300 AAC BO 16"" Sight"

    "16"" 300 AAC BLACKOUT UpperSpecifications:- Carbine Length Handguard- F-Marked Front Sight Base- Carbine Length Gas System- Flat-top A3 Upper Receiver- Compatible with standard AR15 lowers- 16"" Barrel- 1:8 Twist- 5/8x24 Threaded A2 Style Flash Hider-... more

    $649.95

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    "M4 Forged Mil-spec Upper Receiver"

    "M4 Forged Mil-spec Upper Receiver"

    "CMMG Upper Receiver, Mk4Specifications:- Type: Mil-Spec M4 Style Upper Receiver- Material: Forged 7075-T6 Aluminum- Finish: Type III Hard Anodized- Feed Ramps: M4 Feed Ramps- Finish: Black" more

    $109.95

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    CMMG, Inc Bbl Sub-Assm, 16.1" M4 4140CM SBN, 9mm

    CMMG, Inc Bbl Sub-Assm, 16.1" M4 4140CM SBN, 9mm

    Perfect for building your custom 9mm AR15 upper groupFeatures:- M4 Profile- 4140 Chrome Moly- Salt Bath Nitride Finish Inside and Out- .750? Carbine Length JournalSpecifications:- Cal more

    $208.41 $185.00

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    Cmmg Ar-15 300 Blackout Barrel Assembly

    Cmmg Ar-15 300 Blackout Barrel Assembly

    Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension, barrel nut, .750 lo-pro gas block, hand guard cap, pinned "F" marked front sight base, sling loop, and front sight post. All barrel assemblies are... more

    $286.00

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    "CMMG UPPER 300BLK M4 16"

    "CMMG UPPER 300BLK M4 16"

    "Product Specifications UPC Code: 815835010830 Manufacturer: CMMG Type: Upper Caliber: 300 AAC Blackout Barrel Length: 16 Finish/Color: Black Type of Barrel: M4 Chokes: A2 Brake Description: WASP Finish - Weapons Armored Surface Protection Fit: AR... more

    $579.95

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    Cmmg Upper 556nato 16 M4 Rce Keymod

    Cmmg Upper 556nato 16 M4 Rce Keymod

    Cmmg Upper 556nato 16 M4 Rce Keymod more

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    $1,062.44

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    "5.56 16"" M4 LE 1:9 Car Gas Bbl Ext"

    "5.56 16"" M4 LE 1:9 Car Gas Bbl Ext"

    "5.56 16"" M4 LE 1:9 Car Gas Barrel ExtensionSpecifications:- Caliber: 5.56x45mm NATO Chamber - Barrel: 16"" M4 Profile Barrel- WASP Treated 4140 Chrome-Moly Steel- 1:9"" Twist" more

    $179.95

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    "SPIKE'S Tactical 556NATO M4 LE UPPER 16"" BLK"

    "SPIKE'S Tactical 556NATO M4 LE UPPER 16"" BLK"

    "Product Specifications Manufacturer: Spike's Tactical Model: Law Enforcement Type: Upper Caliber: 556NATO Caliber: 223 Rem Barrel Length: 16"" Finish/Color: Black Accessories: No Mags Type of Barrel: 1:7 Chamber: Chrome Lined Description: Flat Top... more

    $579.99

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    Spike's 556nato M4 Le Upper W/rail

    Spike's 556nato M4 Le Upper W/rail

    Spike's 556nato M4 Le Upper W/rail more

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    $973.75

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    "SPIKE'S Tactical 556 M4 LE UPPER 16"" 12"" SAR3"

    "SPIKE'S Tactical 556 M4 LE UPPER 16"" 12"" SAR3"

    "Product Specifications Manufacturer: Spike's Tactical Model: Law Enforcement Type: Upper Caliber: 556NATO Caliber: 223 Rem Barrel Length: 16"" Finish/Color: Black Accessories: SAR Rail System and No Mags Type of Barrel: 1:7 Chokes: A2 Description: M4... more

    $829.95

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    Spike's 556 M4 Le Upper 16 7 Sar3

    Spike's 556 M4 Le Upper 16 7 Sar3

    Spike's 556 M4 Le Upper 16 7 Sar3 more

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    $1,041.25

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    "SPIKE'S Tactical 556NATO M4 LE UPPER W/RAI"

    "SPIKE'S Tactical 556NATO M4 LE UPPER W/RAI"

    "Product Specifications Manufacturer: Spike's Tactical Type: Upper Caliber: 556NATO Caliber: 223 Rem Barrel Length: 16"" Finish/Color: Black Accessories: Four Rail Handguard and No Mags Type of Barrel: 1:7 Chamber: Chrome Lined Description: Flat Top... more

    $689.99

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    Spike's 556 M4 Le Upper 16 12 Sar3

    Spike's 556 M4 Le Upper 16 12 Sar3

    Spike's 556 M4 Le Upper 16 12 Sar3 more

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    $1,085.00

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    Spike's 556nato M4 Le Upper 16 Black

    Spike's 556nato M4 Le Upper 16 Black

    Spike's 556nato M4 Le Upper 16 Black more

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    $725.00

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    CMMG, Inc Firearm Accessory 55BE191 Upper Group, Mk4LE OR, 5.56mm -

    CMMG, Inc Firearm Accessory 55BE191 Upper Group, Mk4LE OR, 5.56mm -

    The Mk4LE Optics Ready model is set up for your favorite scope or red dot sight as it has no front sight base to interfere with the sight picture. Specifications: - Caliber: 5.56mm - Barrel: 16 M4 profile - Muzzle: A2 comp., threaded 1/2-28 - Hand... more

    $673.77

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    M4 Forged Mil-Spec Upper

    M4 Forged Mil-Spec Upper

    CMMG Mk4 stripped upper receiver ready to customize for your own AR build. Does not include forward assist, dust cover, bolt assembly, charging handle barrel nut, delta ring, and is made of 7075 T6 aluminum. more

    $134.95 $99.71

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    CMMG, Inc Bbl Sub-Assm, 16.1" MT 416SS, 5.56mm

    CMMG, Inc Bbl Sub-Assm, 16.1" MT 416SS, 5.56mm

    Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.Specifications:- 16.1? - Medium Taper Profile- 416 Stainless more

    $219.99 $178.28

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    CMMG, Inc Bbl Sub-Assm, 16.1" MT 416SS, 300 BLK

    CMMG, Inc Bbl Sub-Assm, 16.1" MT 416SS, 300 BLK

    Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.Features:- Medium Taper Profile- 416 Stainless Steel- Bead Bl more

    $202.85 $178.28

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    Spike's 556nato M4 Le Upper W/rail

    Spike's 556nato M4 Le Upper W/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-r9s Product Type: Upper Finish/Color: Black Fit: AR Rifles Accessories: Four Rail Handguard and No Mags... more

    $765.00

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    Spike's 556nato M4 Le Upper 16" Black

    Spike's 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-m4s Model: LE Product Type: Upper Finish/Color: Black Fit: AR Rifles Description: Flat Top... more

    $571.00

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    Spike's 556 M4 Le Upper 16" 12" Sar3

    Spike's 556 M4 Le Upper 16" 12" Sar3

    Spike's Tactical Upper, Law Enforcement, 223 Rem/556nato, 16" Barrel, 1:7 Twist, Fits Ar Rifles, Black Finish, M4 Le W/12" Sar Rail, With Sar Rail System And No Mags Stu5025-s2s Model: LE Product Type: Upper Finish/Color: Black Fit: AR Rifles... more

    $852.00

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    Spike's 556 Mid Le Upper 16" 12"sar3

    Spike's 556 Mid Le Upper 16" 12"sar3

    Spike's Tactical Upper, Law Enforcement, 223 Rem/556nato, 16" Barrel, 1:7 Twist, Fits Ar Rifles, A2 Chokes, Black Finish, M4 Le W/12" Sar Rail, With Sar Rail System And No Mags Stu5035-s2s Model: LE Product Type: Upper Finish/Color: Black Fit: AR... more

    $862.00

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