Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
You May Also Like
Best Rated Magpul Industries PMAG GEN M3 AR-10/SR25 Rifle Magazine, .308 Win/7.62x51mm NATO, 25 Round, Black, 1 Pack, Polymer, MGMPI292BLK-25RD
Magpul Industries PMAG GEN M3 AR-10/SR25 Rifle Magazine, .308 Win/7.62x51mm NATO, 25 Round, Black, 1 Pack, Polymer, MGMPI292BLK-25RD
(17)
List: $24.95 $22.45 Save Up to 10%
Best Rated Magpul Industries PMAG GEN M3 AR-10/M110/SR25 Rifle Magazine, .308 Win/7.62x51mm, NATO 20 Round, Black, 1 Pack, Polymer, MGMPI291BLK-20RD
Magpul Industries PMAG GEN M3 AR-10/M110/SR25 Rifle Magazine, .308 Win/7.62x51mm, NATO 20 Round, Black, 1 Pack, Polymer, MGMPI291BLK-20RD
(21)
List: $22.95 $21.75 Save Up to $1.20
Best Rated Magpul Industries PMAG 20 LR/SR Gen M3,, .308 Winchester,, 20 Round Rifle Magazine,, Medium Coyote Tan,, 1 Pack,, MAG291-MCT-20RD
Magpul Industries PMAG 20 LR/SR Gen M3,, .308 Winchester,, 20 Round Rifle Magazine,, Medium Coyote Tan,, 1 Pack,, MAG291-MCT-20RD
(21)
List: $22.95 $21.75 Save Up to $1.20
Amend2 Kinetic Development Group Mod-3 Magazine, KA2-20 SCAR 17/17S/20/20S, 7.62x51mm NATO/.308 Winchester, 20 Round, Black, SCARMOD3BLK20-20RD
Amend2 Kinetic Development Group Mod-3 Magazine, KA2-20 SCAR 17/17S/20/20S, 7.62x51mm NATO/.308 Winchester, 20 Round, Black, SCARMOD3BLK20-20RD
(3)
List: $32.99 $30.89 Save Up to $2.10
Magpul Industries PMAG GEN M3 AR-10/M110/SR25 Detachable Rifle Magazine w/Capacity Window, .308 Win/7.62x51mm NATO, 25 Round, Black, 1 Pack, Polymer, MAG577BLK-25RD
Magpul Industries PMAG GEN M3 AR-10/M110/SR25 Detachable Rifle Magazine w/Capacity Window, .308 Win/7.62x51mm NATO, 25 Round, Black, 1 Pack, Polymer, MAG577BLK-25RD
(1)
List: $24.95 $22.45 Save Up to 10%
Best Rated PMC Ammunition Bronze .308 Winchester 147 Grain Full Metal Jacket Brass Rifle Ammunition, 20 Rounds, 308B
PMC Ammunition Bronze .308 Winchester 147 Grain Full Metal Jacket Brass Rifle Ammunition, 20 Rounds, 308B
(30)
List: $28.00 $23.99 Save Up to 14%
Blazin' Deal TRYBE Optics DiMA1000 Laser Rangefinder with Mount, Black, TROLRF
TRYBE Optics DiMA1000 Laser Rangefinder with Mount, Black, TROLRF
(6)
List: $764.99 $553.81 Save Up to 28%
Blazin' Deal TRYBE Optics Enhancer Rifle Scope Magnification Quadrupler, 4x54mm, 30mm Tube, Black, ENHRS4X
TRYBE Optics Enhancer Rifle Scope Magnification Quadrupler, 4x54mm, 30mm Tube, Black, ENHRS4X
(5)
List: $799.99 $259.92 Save Up to 68%
Blazin' Deal TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nickel Boron, BCG308-NB
TRYBE Defense Milspec Complete AR10 .308 Bolt Carrier Group BCG, Nickel Boron, BCG308-NB
(74)
List: $214.99 $149.99 Save Up to 30%
Caliber:
.308 Winchester, 7.62x51mm NATO
Overall Length:
28 in
Barrel Length:
20 in
Barrel Profile:
Varmint
Gas System Length:
Mid Length
Barrel Twist Rate:
1-10
Handguard Type:
Free-Float
Muzzle Device:
No
Finish:
Anadized
Color:
Black
Handguard Length:
22 in

Code: 1WN-URC-UP42-308A0551

MPN: 308A0551

UPC: 842834100057

List: $820.00Save $70.01
$749.99

Product Info for Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper

Intended to be a very good product for almost anybody, we're sure you are going to enjoy the Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper.image

Developed working with some of the most robust and dependable substances available, these AR15 Upper Receivers through Rock River Arms will present you with something that gives you years of reliability.

Rock River Arms has been making high quality products for a very long time, and the Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper is their particular means of demonstrating how much they are concerned.

Right here at OpticsPlanet, we ensure that it is our responsibility to receive the perfect solution for all your preferences, and showcasing the Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper is something that we're delighted to offer.

WARNING: California`s Proposition 65

Specifications for Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper:

Manufacturer: Rock River Arms
Caliber: .308 Winchester, 7.62x51mm NATO
Overall Length: 28 in
Barrel Length: 20 in
Barrel Profile: Varmint
Gas System Length: Mid Length
Barrel Twist Rate: 1-10
Handguard Type: Free-Float
Muzzle Device: No
Finish: Anadized
Color: Black
Gas Block Journal Size-Diameter: .936 in
Handguard Length: 22 in
Gun Rail: Full Top Rail
Weight: 6.83 lb
Barrel Material: 416R Stainless Steel
Bolt Carrier Group Included: COM-SPEC
Magazine Included: No
Mount Type: M-LOK

Package Contents:

  • Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper
  • Bolt Carrier Group
  • Charging Handle Assembly

Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper Orderable Models

List of Orderable Models

  • Rock River Arms Completed Upper Receiver, Varmint A4, .308/7.62X51mm NATO, 20 Inch Barrel, 1-10 Twist, Free-Float Handguard, Black, 308A0551 , MPN: 308A0551 , UPC: 842834100057 , Code: 1WN-URC-UP42-308A0551

Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper Unavailable & Discontinued Models

List of Unorderable Models

  • Rock River Arms Completed Upper Receiver, Varmint A4, .308/7.62X51mm NATO, 26 Inch Barrel, 1-10 Twist, Free-Float Handguard, Black, 308A0583 , MPN: 308A0583 , UPC: 842834100064 , Code: 1WN-URC-UP42-308A0583
Compare (0)