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ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester 10002001

EDEMO ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester, Black, 10002001, EDEMO1
EDEMO ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester, Black, 10002001, EDEMO1
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EDEMO ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester, Black, 10002001, EDEMO1

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Questions & Answers
Customer Reviews
Most Recent Reviews
Armalite Receiver by Fepowered, Verified Owner, January 24, 2025
This upper is in excellent condition and was a bargain. It was a new take-off but it looked new. I would purchase more of these if they become available
Most Recent Reviews
AR-10 A4 B-Series FlattopUpper by Fungun, Verified Owner, March 25, 2023
Just want to say the ArmaLite 308 upper that I received was fully assembled and ready for mounting a barrel of choice. Fit, finish and color was a perfect match to my ArmaLite lower. Installed a mid length 20” ArmaLite barrel with a flat top front si...
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Read All 2 Reviews

Product Discontinued by Manufacturer

ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester 10002001 has been discontinued by ArmaLite and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!

ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester 10002001

AR-10A4 B-Series flat-top upper receiver made from forged 7075-T6 aluminum. Features a flat-top with MIL-STD 1913 rail. Thread size 1-7/16x18 UNEF-3A.image

AR-10A4 complete upper is our standard flat top upper with the standard port door rod used for all AR-10 that will utilize a 2-piece handguard. If a free float handguard is to be used, the 10002000 AR-10(T) complete upper is needed.

Package Contents:

  • ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester 10002001
  • AR-10 Port Door Assembly
  • AR-10 AR-10 Port Door Rod
  • AR-10 / M-15 Port Door Spring
  • AR-10 Forward Assist Kit

AR Upper Receiver Parts

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$1.81/Round
On Sale
Cor Bon 308 Win 168 Grain Jacketed Hollow Point -DPX Brass Cased Rifle Ammo, 20 Rounds, DPX308168/20
Cor Bon 308 Win 168 Grain Jacketed Hollow Point -DPX Brass Cased Rifle Ammo, 20 Rounds, DPX308168/20
List: $81.99 (Save 33%)
$54.99
$2.75/Round
SIG SAUER Elite Ball .308 Winchester 150 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, E308B1-20
SIG SAUER Elite Ball .308 Winchester 150 grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 20 Rounds, E308B1-20
(1)
List: $32.99 (Save $3.00)
$29.99
$1.50/Round
On Sale
PPU Match .308 Winchester 168 Grain Hollow Point Boat Tail Brass Cased Rifle Ammo, 20 Rounds, PPM3082
PPU Match .308 Winchester 168 Grain Hollow Point Boat Tail Brass Cased Rifle Ammo, 20 Rounds, PPM3082
(2)
List: $36.00 (Save 23%)
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$1.38/Round
Barnes Precision MatchRifle Cartridges, .308 Winchester, Match Burner Open Tip Match Boat Tail, 175 Grain, 20 - Rounds, 30818
Barnes Precision MatchRifle Cartridges, .308 Winchester, Match Burner Open Tip Match Boat Tail, 175 Grain, 20 - Rounds, 30818
(1)
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$42.99
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HSM Ammunition Subsonic .308 Winchester 175 Grain Boat Tail Hollow Point MatchKing Brass Cased Rifle Ammunition, 20 Rounds, HSM-308-5-N
HSM Ammunition Subsonic .308 Winchester 175 Grain Boat Tail Hollow Point MatchKing Brass Cased Rifle Ammunition, 20 Rounds, HSM-308-5-N
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Winchester Super-X RIFLE .308 Winchester 180 grain Power-Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, X3086
Winchester Super-X RIFLE .308 Winchester 180 grain Power-Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, X3086
(9)
List: $32.69 (Save $1.80)
$30.89
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Freedom Munitions .308 Winchester 150 Grain Full Metal Jacket Brass Cased Pistol Ammo, 20 Rounds, FM308F150N
Freedom Munitions .308 Winchester 150 Grain Full Metal Jacket Brass Cased Pistol Ammo, 20 Rounds, FM308F150N
List: $39.99 (Save 30%)
$27.99
$1.40/Round
Best Rated
Winchester USA 7.62x51mm NATO 149 Grain M80 Full Metal Jacket Brass Cased Centerfire Rifle Ammunition
Winchester USA 7.62x51mm NATO 149 Grain M80 Full Metal Jacket Brass Cased Centerfire Rifle Ammunition
(11)
As Low As (Save Up to 32%)
$28.49
$1.42/Round
See all 2 models
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ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester 10002001 Accessories

1–7 / 7
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Best Rated
UTG Pro AR308 A2 Style Fixed Buttstock Complete Assembly, Black, RB-T308FB
UTG Pro AR308 A2 Style Fixed Buttstock Complete Assembly, Black, RB-T308FB
(34)
List: $100.97 (Save $9.00)
$91.97
Precision Reflex .750 Diameter Flip-Up Front Sight Gas Block
Precision Reflex .750 Diameter Flip-Up Front Sight Gas Block
(1)
List: $186.00 (Save 15%)
$158.10
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Elite Survival Systems Assault Systems Rifle Cases
Elite Survival Systems Assault Systems Rifle Cases
(65)
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Precision Reflex PRi Delta Rail Mounted Flip Up Front Iron Sight, Black, 05-B028
Precision Reflex PRi Delta Rail Mounted Flip Up Front Iron Sight, Black, 05-B028
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Precision Reflex Armalite .308 Combo Barrel Nut Wrench, 3/8 inch Steel, Black, 03-0085C
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(4)
List: $49.29 (Save 29%)
$34.99
Blazin' Deal
Precision Reflex Flip-Up Front Sight Gas Blocks
Precision Reflex Flip-Up Front Sight Gas Blocks
List: $180.00 (Save 12%)
$158.10
See all 2 models
Blazin' Deal
Precision Reflex Flip-Up Front Sight Gas Block
Precision Reflex Flip-Up Front Sight Gas Block
As Low As (Save Up to 15%)
$158.10
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Ammo Boxes

1–16 / 16
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MTM Ammo Box 100 Round Flip-Top 22-250 243 308 Win 220 Swift, Clr-Smoke, RM-100-41
MTM Ammo Box 100 Round Flip-Top 22-250 243 308 Win 220 Swift, Clr-Smoke, RM-100-41
(3)
List: $12.99 (Save 31%)
$8.99
Berry's Manufacturing Ammo Box #109 - .243/.308 cal
Berry's Manufacturing Ammo Box #109 - .243/.308 cal
As Low As (Save Up to 46%)
$2.98
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MTM Ammo Box 50 Round Flip-Top 243 308 Win 220 Swift, Clear Blue RM-50-24
MTM Ammo Box 50 Round Flip-Top 243 308 Win 220 Swift, Clear Blue RM-50-24
(1)
List: $6.09
$5.99
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MTM Case-Gard 50 Round Flip-Top Ammo Box, .243/.308 Win/.220 Swift, Clear Smoke, RM-50-41
MTM Case-Gard 50 Round Flip-Top Ammo Box, .243/.308 Win/.220 Swift, Clear Smoke, RM-50-41
(20)
List: $6.09
$5.99
MTM Deluxe Ammo Box 100 Round Handle, 22-250 To .458 Win, Clear/Blue, R-100-24
MTM Deluxe Ammo Box 100 Round Handle, 22-250 To .458 Win, Clear/Blue, R-100-24
(2)
List: $29.99 (Save 17%)
$24.99
Best Rated
MTM Tactical Mag Can 308, Dark Earth, TMC308
MTM Tactical Mag Can 308, Dark Earth, TMC308
(7)
List: $39.28
$38.99
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 To .308, Clear Green/Black, RM-50-16T
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 To .308, Clear Green/Black, RM-50-16T
(3)
List: $6.09
$5.99
Best Rated
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 to .308 Green
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 to .308 Green
(6)
List: $6.09
$5.99
Best Rated
MTM RM-100 Rifle Ammo Box .22-250/.308/.243 Green
MTM RM-100 Rifle Ammo Box .22-250/.308/.243 Green
(7)
List: $13.99 (Save 36%)
$8.99
Berrys 46826 409 Ammo Box 308 Win,243 Win 50rd Smoke Lid W/Black Bottom
Berrys 46826 409 Ammo Box 308 Win,243 Win 50rd Smoke Lid W/Black Bottom
List: $5.95 (Save 30%)
$4.19
Berry's Manufacturing Ammo Box #009 243/6.5/308, Clear/Black Polypropylene 100RD, Polypropylene, 25338
Berry's Manufacturing Ammo Box #009 243/6.5/308, Clear/Black Polypropylene 100RD, Polypropylene, 25338
List: $8.99 (Save 11%)
$7.99
MTM Case-Gard 60 .22-250 to .308 Winchester Green
MTM Case-Gard 60 .22-250 to .308 Winchester Green
List: $20.81 (Save 42%)
$11.99
MTM RM-100 Rifle Ammo Box .22-250/.308/.243, Clear Green/Black, RM-100-16T
MTM RM-100 Rifle Ammo Box .22-250/.308/.243, Clear Green/Black, RM-100-16T
(2)
List: $12.99 (Save 31%)
$8.99
MTM Case-Gard 60 .22-250 to .308 Winchester Red
MTM Case-Gard 60 .22-250 to .308 Winchester Red
(1)
List: $16.86 (Save 29%)
$11.99
MTM H50 Ammunition Box .22-250 to .308 Winchester Blue
MTM H50 Ammunition Box .22-250 to .308 Winchester Blue
(2)
List: $23.04 (Save 32%)
$15.77
Berrys 82467 409 Ammo Box 308 Win,243 Win 50rd Blue Lid W/Black Bottom
Berrys 82467 409 Ammo Box 308 Win,243 Win 50rd Blue Lid W/Black Bottom
List: $5.95 (Save 30%)
$4.19
Next

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ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester 10002001 Unavailable & Discontinued Models

List of Unorderable Models

  • USED ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester, Black, 10002001, EDEMO1, Used, Condition Fair , MPN: 10002001-EDEMO1 , Code: A87-UPR-10002001-10002001-EDEMO1
  • ArmaLite AR-10 A4 B-Series Upper Receiver Assembly 7.62x51mm/.308 Winchester, Black, 10002001 , MPN: 10002001 , UPC: 651984091654 , Code: A87-UPR-10002001-10002001
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