Upper Receivers

Sale
Upper Assembly 16" 5.56 with 10" Quad Rail, Black WITH AZIMUTH BCG AND CH
$ 254.99 $ 289.99
16" 5.56 UPPER RECEIVER WITH 10" QUAD RAIL, BLACK WITH BOLT CARRIER GROUP AND CHARGING HANDLE  DB15  .223/5.56, CARBINE-LENGTH, 16", 4140, MELONITE/ BLACK NITRIDE, 1:8 TWIST DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 TACTICAL BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING DB15 EJECTION PORT COVER DB15 EJECTION PORT COVER PIN DB15 EJECTION HINGE SNAP RING, 1/8" SHAFT DB15 LOW PROFILE GAS BLOCK DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16") DB15 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB15 CRUSH WASHER, GRADE 1215 CARBON STEEL DB15 FLASH HIDER, 5.56 A2 STYLE DB15 CARBINE LENGTH GAS TUBES DB15CC  10" CCB QUAD HANDGUARD DB15 BCG DB15 CHARGING HANDLE  --All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA questions you may have.--  ***Click here for Terms of service before...
Sale
Upper Assembly 16" 5.56 with 10" Quad Rail, Black-No BCG or CH
$ 179.99 $ 229.99
16" 5.56 UPPER RECEIVER WITH 10" QUAD RAIL, BLACK DB15  .223/5.56, CARBINE-LENGTH, 16", 4140, MELONITE/ BLACK NITRIDE, 1:8 TWIST  DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 TACTICAL BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING DB15 EJECTION PORT COVER DB15 EJECTION PORT COVER PIN DB15 EJECTION HINGE SNAP RING, 1/8" SHAFT DB15 LOW PROFILE GAS BLOCK DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16") DB15 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB15 CRUSH WASHER, GRADE 1215 CARBON STEEL DB15 FLASH HIDER, 5.56 A2 STYLE DB15 CARBINE LENGTH GAS TUBES DB15CC  10" CCB QUAD HANDGUARD --All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA questions you may have.--  ***Click here for Terms of service before purchasing*** DOES NOT INCLUDE CHARGING HANDLE OR BOLT CARRIER GROUP This product...
BUNDLE Upper Assemblies 18" 6.5 Grendel AND 16" .223/5.56 - Each With 15" Keymod Rail, Black (Includes 6.5 BCG and CH with 1 Grendel Mag and NiB BCG and CH)
$ 699.99
**BUNDLE** 18" ELITE 6.5 GRENDEL UPPER RECEIVER WITH 15" ELITE KEYMOD RAIL, BLACK WITH BOLT CARRIER GROUP, CHARGING HANDLE AND 28 ROUND ALUMINUM MAGAZINE   AND 16" 223/556 UPPER RECEIVER WITH 15" KEYMOD RAIL, BLACK  WITH NICKEL BORON BOLT CARRIER AND CHARGING HANDLE GRENDEL DB15 6.5 GRENDEL, MID-LENGTH, 18", MEDIUM , 4140, BLACK NITRIDE, 1:8 DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 TACTICAL BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING DB15 EJECTION PORT DOOR DB15 EJECTION PORT COVER PIN DB15 EJECTION HINGE SNAP RING, 1/8" SHAFT DB15 LOW PROFILE GAS BLOCK DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16") DB15 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB15 CRUSH WASHER DB15 A2 FLASH HIDER  DB MID LENGTH GAS TUBE DB15E 15” ELITE C KEYMOD RAIL BLACK WITH BARREL NUT AND JAM NUT DB15 6.5 GRENDEL BOLT CARRIER GROUP DB15...
BUNDLE Upper Assembies 18" 6.5 Grendel AND 16" 300 BO - Each With 15" Keymod Rail, Black (Includes 6.5 BCG and CH with 1 Grendel Mag and NiB BCG and CH)
$ 699.99
**BUNDLE** 18" ELITE 6.5 GRENDEL UPPER RECEIVER WITH 15" ELITE KEYMOD RAIL, BLACK WITH BOLT CARRIER GROUP, CHARGING HANDLE AND 28 ROUND ALUMINUM MAGAZINE   AND 16" 300 BLACKOUT UPPER RECEIVER WITH 15" KEYMOD RAIL, BLACK  WITH NICKEL BORON BOLT CARRIER AND CHARGING HANDLE GRENDEL DB15 6.5 GRENDEL, MID-LENGTH, 18", MEDIUM , 4140, BLACK NITRIDE, 1:8 DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 TACTICAL BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING DB15 EJECTION PORT DOOR DB15 EJECTION PORT COVER PIN DB15 EJECTION HINGE SNAP RING, 1/8" SHAFT DB15 LOW PROFILE GAS BLOCK DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16") DB15 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB15 CRUSH WASHER DB15 A2 FLASH HIDER  DB MID LENGTH GAS TUBE DB15E 15” ELITE C KEYMOD RAIL BLACK WITH BARREL NUT AND JAM NUT DB15 6.5 GRENDEL BOLT CARRIER GROUP...
Upper Assembly 16" 300 Blackout with 15" Elite Keymod Rail, Black WITH DB MUZZLE BRAKE, AZIMUTH NiB BCG AND CH
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16" 300 BLACKOUT UPPER RECEIVER WITH 15" KEYMOD RAIL, BLACK  WITH DIAMONDBACK 300 BO MUZZLE BRAKE-SMALL, NICKEL BORON BOLT CARRIER AND CHARGING HANDLE DB15 16" 4150 CHROME-MOLY, FREE FLOAT, MELONITE COATED, 1:8 TWIST, .300 BLACKOUT DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 TACTICAL BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING DB15 ETCHED 300 BO EJECTION PORT DOOR DB15 EJECTION PORT COVER PIN DB15 EJECTION HINGE SNAP RING, 1/8" SHAFT DB15 LOW PROFILE GAS BLOCK DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16") DB15 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB15 CRUSH WASHER,30 CAL .624 DB15 300 FLASH HIDER (A2 THREADED WITH 5/8X24) DB15 PISTOL LENGTH GAS SYSTEM WITH STS GAS BLOCK DB15E 15” KEYMOD RAIL WITH BARREL NUT AND ATTACHMENT SCREWS DB15 300 BO MUZZLE BRAKE, SMALL  --All NFA Regulations apply. Please check your local and state laws before ordering....
Upper Assembly 16" .223/5.56 Elite with 15" Keymod Rail, Black WITH DB MUZZLE BRAKE, AZIMTUH NiB BCG AND CH
$ 344.99
16" ELITE UPPER RECEIVER WITH 15" KEYMOD RAIL, BLACK WITH DIAMONDBACK MUZZLE BRAKE, NICKEL BORON BOLT CARRIER AND CHARGING HANDLE DB15 16" 4150 CHROME-MOLY, FREE FLOAT, MELONITE COATED, 1:8 TWIST DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 TACTICAL BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING DB15 EJECTION PORT DOOR DB15 EJECTION PORT COVER PIN DB15 EJECTION HINGE SNAP RING, 1/8" SHAFT DB15 LOW PROFILE GAS BLOCK DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16") DB15 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB15 CRUSH WASHER DB15 A2 FLASH HIDER  DB15 CARBINE LENGTH GAS SYSTEM  DB15E 15” KEYMOD RAIL BLACK WITH BARREL NUT AND JAME NUT DB15 NIB SEMI-AUTO BOLT CARRIER GROUP DB15 CHARGING HANDLE, STANDARD DB15 556 MUZZLE BRAKE --All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA...
Upper Assembly 20" 6.5 Creedmoor Rifle Length with 15" M-Lok Elite Rail, Black WITH AZIMUTH BCG & CH
$ 484.99
Configures with the Diamondback DB10 Lowers Only  20" 6.5 CREEDMOOR UPPER RECEIVER RIFLE LENGTH WITH 15" M-LOK ELITE RIFLE RAIL, BLACK DB1065C 20" 416SS RIFLE-LENGTH FLUTED BLASTED 1:8, BARREL DB10 EJECTION PORT DOOR ASSEMBLY (COVER, PIN & SPRING) DB10 GAS TUBE, RIFLE LENGTH (SS Black) DB10 LOW PROFILE GAS BLOCKS DB10 UPPER, BLACK ANODIZED DB10 6.5 CREEDMOOR 15" M-LOK HANDGUARD, BLACK DB10 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB10 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB10 CRUSH WASHER, 30 CAL .625 DB10/300 BO/6.5C DB MUZZLE BRAKE DB10 BOLT CARRIER GROUP DB10 CHARGING HANDLE ASSEMBLED --All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA questions you may have.-- ***Click here for Terms of service before purchasing***  DOES INCLUDE CHARGING HANDLE AND BOLT CARRIER GROUP This product is subject...
Upper Assembly 18" 6.5 Grendel with 15" Keymod Rail, Black WITH AZIMUTH BCG, CH AND MAG
$ 419.99
18" ELITE 6.5 GRENDEL UPPER RECEIVER WITH 15" ELITE KEYMOD RAIL, BLACK WITH BOLT CARRIER GROUP, CHARGING HANDLE AND 28 ROUND ALUMINUM MAGAZINE DB15 6.5 GRENDEL, MID-LENGTH, 18", MEDIUM , 4140, BLACK NITRIDE, 1:8 DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 TACTICAL BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING DB15 EJECTION PORT DOOR DB15 EJECTION PORT COVER PIN DB15 EJECTION HINGE SNAP RING, 1/8" SHAFT DB15 LOW PROFILE GAS BLOCK DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16") DB15 KNURLED SET SCREWS FOR GAS BLOCK (#10-32 X 3/16") DB15 CRUSH WASHER DB15 A2 FLASH HIDER  DB MID LENGTH GAS TUBE DB15E 15” ELITE C KEYMOD RAIL BLACK WITH BARREL NUT AND JAM NUT DB15 6.5 GRENDEL BOLT CARRIER GROUP DB15 CHARGING HANDLE ASSEMBLY DB15 6.5 GRENDEL 28 ROUND SS MAG WITH BLUE FOLLOWER --All NFA Regulations apply. Please check your local...
Upper Assembly 10.5" 300 Blackout with 9.5" CKM Rail, Flat Dark Earth-No BCG or CH
$ 219.99
10.5" 300 B.O. UPPER RECEIVER WITH 9.5" CKM RAIL, FLAT DARK EARTH- NO BCG OR CH DB15P 300 BLACKOUT PISTOL, 1:8 TWIST, 10.5 " BARREL DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT DB15 FDE UPPER RECEIVER DB15 ETCHED 30CAL EJECTION PORT DOOR DB15 LOW PROFILE GAS BLOCKS W/SCREWS AND PINS DB15 GAS BLOCK ROLL PIN  DB15 KNURLED SET SCREWS FOR GAS BLOCK  DB15 CRUSH WASHER, 30 CAL .625 DB15 300 FLASH HIDER  DB15P PISTOL LENGTH GAS TUBES DB15P 9.5" CKM FDE HANDRAIL --All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA questions you may have.-- ***Click here for Terms of service before purchasing***  DOES NOT INCLUDE CHARGING HANDLE OR BOLT CARRIER GROUP This product is subject to a longer handling time.  Please allow up to 2 weeks for shipping....
Upper, .223/5.56 Assembled Upper Receiver BLEMISHED
$ 42.99
Cerakoted Assembled Upper Receiver BLEMISHED With FORWARD ASSIST  AND EJECTION PORT DOOR. Black  Flat Dark Earth  Olive Drab Green    DOES INCLUDE FORWARD ASSIST OR EJECTION PORT DOOR Blemished Items are sold AS IS. Diamondback Firearms will not warranty any scratches, wear pattern, dents or dings for blemished items. 
Upper, .223/5.56 Stripped Upper Receiver BLEMISHED
$ 39.99
Cerakoted Stripped Upper Receiver BLEMISHED Black  Flat Dark Earth  Olive Drab Green    DOES NOT INCLUDE FORWARD ASSIST OR EJECTION PORT DOOR Blemished Items are sold AS IS. Diamondback Firearms will not warranty any scratches, wear pattern, dents or dings for blemished items. 
Upper Assembly, 7.5" 5.56 with 6" GEN 2 Rail, Olive Drab Green-No BCG or CH
$ 199.99
7.5" 5.56 UPPER RECEIVER WITH 6" GEN 2 RAIL, OLIVE DRAB GREEN Including:  DB15 7.5" BARREL, 1/9 TWIST  DB15P 6" PISTOL OLIVE DRAB GREEN HANDGUARD  DB15 BARREL NUT  DB15 JAM NUT DB15 FORWARD ASSIST ASSEMBLY, INCLUDES PAWL, BUTTON, PAWL ROLL PIN, PAWL SPRING & PAWL DETENT  DB15 BLACK UPPER RECEIVER DB15 EJECTION PORT COVER SPRING  DB15 EJECTION PORT COVER DB15 EJECTION PIN SUB-ASSEMBLY DB15 LOW PROFILE GAS BLOCK  DB15 GAS BLOCK ROLL PIN (5/64"(.078) X 5/16")  DB15 KNURLED SET SCREWS FOR GAS BLOCK  DB15 CRUSH WASHER, GRADE 1215 CARBON STEEL DB15 FLASH HIDER, 5.56 A2 STYLE  DB15P PISTOL LENGTH GAS TUBES   --All NFA Regulations apply. Please check your local and state laws before ordering. Contact your local ATF Field Office with any NFA questions you may have.--  ***Click here for Terms of service before purchasing*** DOES NOT INCLUDE CHARGING HANDLE AND BOLT CARRIER GROUP This product is subject to a longer...