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Bushmaster Upper Receiver

Looking for Bushmaster Upper Receiver? We have thousands of rifles, handguns, and shotguns in stock. If you don't find what you are looking for on this page, check out the categories listed on the left side for more guns, ammo, and accessories.

Check out our handgun, rifle, shotgun, and rimfire ammunition categories. We have ammunition for just about every gun you have ever heard of and some you may not have. We sell all of our ammunition at the lowest possible price and because we have several warehouses, we have many times the inventory of any other retailer. When others run out, you'll find what you need at Cheaper Than Dirt!

Bushmaster AR-15 Lower Receiver Half with A2 Stock 92956
2-BM92956
$296.16
IN STOCK at Warehouses
2,4,8
Bushmaster AR-15 Lower Receiver Half with A2 Stock 92956
8-BF-92956
$290.49
IN STOCK at Warehouses
2,4,8
Bushmaster AR-15 Lower Receiver Half with A2 Stock 92956
80945
$286.81
IN STOCK at Warehouses
2,4,8
Bushmaster M4 Semi-Automatic Lower .223 Rem/5.56 NATO 14.5  Black Telestock M4 Collapsible Stock 92950
2-BM92950
$317.62
IN STOCK at Warehouses
2,8
Bushmaster AR-15 Lower Reciever 6 Position Collapsible Stock A2 Grip Aluminum Black 92952
12-0135831
$319.36
IN STOCK at Warehouses
12,3,8
Bushmaster AR-15 Lower Reciever 6 Position Collapsible Stock A2 Grip Aluminum Black 92952
3-0135831
$319.36
IN STOCK at Warehouses
12,3,8
Bushmaster AR-15 Lower Reciever 6 Position Collapsible Stock A2 Grip Aluminum Black 92952
8-BF-92952
$311.54
IN STOCK at Warehouses
12,3,8
Bushmaster AR-15 Complete Lower Receiver A2 Stock and Grip Anodized Black 92958
8-BF-92958
$290.49
IN STOCK at Warehouses
4,8
Bushmaster AR-15 Complete Lower Receiver A2 Stock and Grip Anodized Black 92958
80946
$286.81
IN STOCK at Warehouses
4,8
Bushmaster AR-15 Complete Lower Receiver Ace Skeleton Stock A2 Grip Anodized Black 92960
8-BF-92960
$357.85
IN STOCK at Warehouses
10,12,3,8
Bushmaster AR-15 Complete Lower Receiver Ace Skeleton Stock A2 Grip Anodized Black 92960
12-0135835
$366.83
IN STOCK at Warehouses
10,12,3,8
Bushmaster AR-15 Complete Lower Receiver Ace Skeleton Stock A2 Grip Anodized Black 92960
3-0135835
$366.83
IN STOCK at Warehouses
10,12,3,8
Bushmaster  V Match  Complete 16  Upper Assembly .223 Rem/5.56 NATO Freefloat 92194
3-0409317
$527.09
IN STOCK at Warehouse
3
Bushmaster AR-15 Complete Lower Receiver Standard Trigger ACE Skeleton Rifle Stock Aluminum Black 92960
10-0135835
$366.83
IN STOCK at Warehouses
10,12,3,8
Bushmaster Firearms Carbon 15 M4 with Quad Rail Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Collapsible Stock Carbon-15 Composite Receiver 91036
12-0138534
$707.63
IN STOCK at Warehouses
12,3,7
Bushmaster Firearms Carbon 15 M4 with Quad Rail Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Collapsible Stock Carbon-15 Composite Receiver 91036
3-0138534
$707.63
IN STOCK at Warehouses
12,3,7
Bushmaster Firearms Carbon 15 M4 with Quad Rail Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Collapsible Stock Carbon-15 Composite Receiver 91036
7-G91036
$677.04
IN STOCK at Warehouses
12,3,7
Bushmaster M4A3 Patrolman's Carbine Complete Upper Receiver .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist Flat Top Black 91822
8-BF-91822
$609.88
IN STOCK at Warehouses
10,11,2,3,6,8
Bushmaster M4A3 Patrolman's Carbine Complete Upper Receiver .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist Flat Top Black 91822
2-BM91822
$584.68
IN STOCK at Warehouses
10,11,2,3,6,8
Bushmaster M4A3 Patrolman's Carbine Complete Upper Receiver .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist Flat Top Black 91822
10-0409384
$535.89
IN STOCK at Warehouses
10,11,2,3,6,8
Bushmaster M4A3 Patrolman's Carbine Complete Upper Receiver .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist Flat Top Black 91822
11-0409384
$535.89
IN STOCK at Warehouses
10,11,2,3,6,8
Bushmaster M4A3 Patrolman's Carbine Upper .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist Flat Top Receiver Aluminum Black
6-0409384
$535.89
IN STOCK at Warehouses
10,11,2,3,6,8
Bushmaster M4A3 Patrolman's Carbine Complete Upper Receiver .223 Rem/5.56 NATO 16  M4 Barrel 1:9 Twist Flat Top Black 91822
3-0409384
$535.89
IN STOCK at Warehouses
10,11,2,3,6,8
Bushmaster MOE M4 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Flat Dark Earth Magpul MOE Buttstock Black Anodized Finish
8-BF-90687
$1,045.52
IN STOCK at Warehouses
10,11,12,2,3,6,4,8
Bushmaster 24  Varmiter Upper Reciever Barrel Assembly AR-15 5.56 NATO/.223 Rem Fluted Freefloat Risers 92820
3-0409318
$606.28
IN STOCK at Warehouses
12,3
Bushmaster 24  Varmiter Upper Reciever Barrel Assembly AR-15 5.56 NATO/.223 Rem Fluted Freefloat Risers 92820
12-0409318
$606.28
IN STOCK at Warehouses
12,3
Bushmaster QPC Carbon 15 Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Collapsible Stock Flip Up Sight Composite Lower Receiver Black 91038
12-0138535
$781.54
IN STOCK at Warehouses
12,3,4
Bushmaster QPC Carbon 15 Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Collapsible Stock Flip Up Sight Composite Lower Receiver Black 91038
3-0138535
$781.54
IN STOCK at Warehouses
12,3,4
Bushmaster QPC Carbon 15 Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Collapsible Stock Flip Up Sight Composite Lower Receiver Black 91038
91708
$748.64
IN STOCK at Warehouses
12,3,4
Bushmaster Modular Carbine Complete Upper Receiver 5.56 NATO Quad Rail Free Floated Handguard Flip Up Sights F1007565
12-0409316
$756.48
IN STOCK at Warehouses
12,3,4
Bushmaster Modular Carbine Complete Upper Receiver 5.56 NATO Quad Rail Free Floated Handguard Flip Up Sights F1007565
79129
$736.53
IN STOCK at Warehouses
12,3,4
Bushmaster Modular Carbine Complete Upper Receiver 5.56 NATO Quad Rail Free Floated Handguard Flip Up Sights F1007565
3-0409316
$756.48
IN STOCK at Warehouses
12,3,4
Bushmaster MOE M4 Semi Auto Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Magpul MOE Stock Black Finish 90291
11-0130987
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Magpul MOE Stock Black Finish 90291
10-0130987
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Rifle .223 Rem/5.56 NATO 16  Chrome Lined Barrel 30 Rounds Black Magpul MOE Furniture MBUS Flip Up Sights Vertical Grip Black Finish 90291
3-0130987
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Magpul MOE Stock Black Finish 90291
12-0130987
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Magpul MOE Stock Black Finish 90291
2-BM90291
$943.49
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Magpul MOE Stock Black Finish 90291
63788
$987.90
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Magpul MOE Stock Black Finish 90291
7-G90291
$1,033.95
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Magpul MOE Stock Black Finish 90291
8-BF-90291
$1,045.52
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster MOE M4 Semi Auto Rifle .223 Rem/5.56 NATO 16  Chrome Lined Barrel 30 Rounds Black Magpul MOE Furniture MBUS Flip Up Sights Vertical Grip Black Finish 90291
6-0130987
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,7,8
Bushmaster Patrolman Carbine Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Stock Cerakote OD Green Finish 90901
10-0137051
$1,069.16
IN STOCK at Warehouses
10,11,12,3,6,8
Bushmaster Patrolman Carbine Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Stock Cerakote OD Green Finish 90901
8-BF-90901
$1,038.11
IN STOCK at Warehouses
10,11,12,3,6,8
Bushmaster Patrolman Carbine Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Stock Cerakote OD Green Finish 90901
3-0137051
$1,069.16
IN STOCK at Warehouses
10,11,12,3,6,8
Bushmaster Patrolman Carbine Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Stock Cerakote OD Green Finish 90901
6-0137051
$1,069.16
IN STOCK at Warehouses
10,11,12,3,6,8
Bushmaster Patrolman Carbine Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Stock Cerakote OD Green Finish 90901
11-0137051
$1,069.16
IN STOCK at Warehouses
10,11,12,3,6,8
Bushmaster Patrolman Carbine Semi Automatic Rifle 5.56 NATO 16  Barrel 30 Rounds Synthetic Stock Cerakote OD Green Finish 90901
12-0137051
$1,069.16
IN STOCK at Warehouses
10,11,12,3,6,8
Bushmaster MOE M4 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Flat Dark Earth Magpul MOE Buttstock Black Anodized Finish
11-0130932
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,8
Bushmaster MOE M4 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Flat Dark Earth Magpul MOE Buttstock Black Anodized Finish
10-0130932
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,8
Bushmaster MOE M4 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Flat Dark Earth Magpul MOE Buttstock Black Anodized Finish
12-0130932
$1,071.79
IN STOCK at Warehouses
10,11,12,2,3,6,4,8
Bushmaster MOE M4 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Flat Dark Earth Magpul MOE Buttstock Black Anodized Finish
2-BM90687
$943.49
IN STOCK at Warehouses
10,11,12,2,3,6,4,8
Bushmaster MOE M4 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel 30 Rounds Flat Dark Earth Magpul MOE Buttstock Black Anodized Finish
63789
$987.90
IN STOCK at Warehouses
10,11,12,2,3,6,4,8
Bushmaster AR-15 Complete Lower Receiver .223 Rem Black Six Position Collapsible Stock
8-BF-92950
$311.54
IN STOCK at Warehouses
2,8
Bushmaster Semi Automatic Carbine .450 Bushmaster 16  Heavy Barrel 5 Rounds A2 Buttstock Flat Top Receiver Picatinny Rail Gas Block Black Anodized Finish 90425
8-BF-90425
$1,195.77
IN STOCK at Warehouse
8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
7-GBCWVMF16M4ORC
$821.34
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
11-0126649
$879.80
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
10-0126649
$879.80
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
3-0126649
$879.80
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
2-BM90391
$776.99
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
46149
$810.30
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
6-0126649
$879.80
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Optics Ready (O.R.C.) Semi Automatic Carbine .223 Remington/5.56x45mm NATO 16  M4 Barrel One 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish
8-BF-90391
$732.54
IN STOCK at Warehouses
10,11,2,3,4,6,7,8
Bushmaster Carbon-15 Optics Ready Carbine (O.R.C.) Semi Automatic Rifle .223 Rem/5.56x45mm NATO 16  M4 Barrel 10 Round Magazine Black M4 Collapsible Buttstock With Red Dot Sight Black Finish 90866
84819
$681.65
IN STOCK at Warehouse
4
Bushmaster A2 Target Model Semi Automatic Rifle .223 Remington/5.56x45mm NATO 20  Heavy Barrel 30 Rounds Black A2 Buttstock Black Anodized Finish
7-GBCWA2S20
$964.04
IN STOCK at Warehouses
12,4,7,8
Bushmaster A2 Target Model Semi Automatic Rifle .223 Remington/5.56x45mm NATO 20  Heavy Barrel 30 Rounds Black A2 Buttstock Black Anodized Finish
12-0124153
$958.50
IN STOCK at Warehouses
12,4,7,8
Bushmaster A2 Target Model Semi Automatic Rifle .223 Remington/5.56x45mm NATO 20  Heavy Barrel 30 Rounds Black A2 Buttstock Black Anodized Finish
8-BF-90242
$934.99
IN STOCK at Warehouses
12,4,7,8
Bushmaster A2 Target Model Semi Automatic Rifle .223 Remington/5.56x45mm NATO 20  Heavy Barrel 30 Rounds Black A2 Buttstock Black Anodized Finish
13228
$923.16
IN STOCK at Warehouses
12,4,7,8
Bushmaster Modular Semi Auto Rifle .223 Rem/5.56 NATO 16  Fluted Heavy Barrel 30 Rounds Collapsible Stock Black Finish 90386
8-BF-90386
$1,436.18
IN STOCK at Warehouses
10,11,12,3,4,6,8
Bushmaster Modular Semi Auto Rifle .223 Rem/5.56 NATO 16  Fluted Heavy Barrel 30 Rounds Collapsible Stock Black Finish 90386
29486
$1,320.00
IN STOCK at Warehouses
10,11,12,3,4,6,8
Bushmaster Superlight Optics Ready (O.R.C.) Semi Auto Carbine .223 Rem/5.56x45mm NATO 16  Super Light Contour Barrel Composite Receiver Aluminum Upper Bushnell Red Dot Sight 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish 91037
10-0138533
$707.63
IN STOCK at Warehouses
10,11,12,2,3,4,7
Bushmaster Superlight Optics Ready (O.R.C.) Semi Auto Carbine .223 Rem/5.56x45mm NATO 16  Super Light Contour Barrel Composite Receiver Aluminum Upper Bushnell Red Dot Sight 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish 91037
11-0138533
$707.63
IN STOCK at Warehouses
10,11,12,2,3,4,7
Bushmaster Superlight Optics Ready (O.R.C.) Semi Auto Carbine .223 Rem/5.56x45mm NATO 16  Super Light Contour Barrel Composite Receiver Aluminum Upper Bushnell Red Dot Sight 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish 91037
12-0138533
$707.63
IN STOCK at Warehouses
10,11,12,2,3,4,7
Bushmaster Superlight Optics Ready (O.R.C.) Semi Auto Carbine .223 Rem/5.56x45mm NATO 16  Super Light Contour Barrel Composite Receiver Aluminum Upper Bushnell Red Dot Sight 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish 91037
2-BM91037
$699.93
IN STOCK at Warehouses
10,11,12,2,3,4,7
Bushmaster Superlight Optics Ready (O.R.C.) Semi Auto Carbine .223 Rem/5.56x45mm NATO 16  Super Light Contour Barrel Composite Receiver Aluminum Upper Bushnell Red Dot Sight 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish 91037
3-0138533
$707.63
IN STOCK at Warehouses
10,11,12,2,3,4,7
Bushmaster Superlight Optics Ready (O.R.C.) Semi Auto Carbine .223 Rem/5.56x45mm NATO 16  Super Light Contour Barrel Composite Receiver Aluminum Upper Bushnell Red Dot Sight 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish 91037
91707
$677.83
IN STOCK at Warehouses
10,11,12,2,3,4,7
Bushmaster Superlight Optics Ready (O.R.C.) Semi Auto Carbine .223 Rem/5.56x45mm NATO 16  Super Light Contour Barrel Composite Receiver Aluminum Upper Bushnell Red Dot Sight 30 Round Magazine Black M4 Collapsible Buttstock Black Anodized Finish 91037
7-G91037
$677.04
IN STOCK at Warehouses
10,11,12,2,3,4,7
Bushmaster M4A3 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 11.5  Barrel w/5.5  Flash Suppressor 30 Rounds Black M4 Collapsible Buttstock Black Anodized Finish
8-BF-90262
$1,014.21
IN STOCK at Warehouses
10,11,2,3,4,6,8
Bushmaster M4A3 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 11.5  Barrel w/5.5  Flash Suppressor 30 Rounds Black M4 Collapsible Buttstock Black Anodized Finish
11-0124397
$1,039.70
IN STOCK at Warehouses
10,11,2,3,4,6,8
Bushmaster M4A3 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 11.5  Barrel w/5.5  Flash Suppressor 30 Rounds Black M4 Collapsible Buttstock Black Anodized Finish
10-0124397
$1,039.70
IN STOCK at Warehouses
10,11,2,3,4,6,8
Bushmaster M4A3 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 11.5  Barrel w/5.5  Flash Suppressor 30 Rounds Black M4 Collapsible Buttstock Black Anodized Finish
3-0124397
$1,039.70
IN STOCK at Warehouses
10,11,2,3,4,6,8
Bushmaster M4A3 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 11.5  Barrel w/5.5  Flash Suppressor 30 Rounds Black M4 Collapsible Buttstock Black Anodized Finish
15172
$1,001.40
IN STOCK at Warehouses
10,11,2,3,4,6,8
Bushmaster M4A3 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 11.5  Barrel w/5.5  Flash Suppressor 30 Rounds Black M4 Collapsible Buttstock Black Anodized Finish
2-BM90262
$1,034.06
IN STOCK at Warehouses
10,11,2,3,4,6,8
Bushmaster M4A3 Semi Automatic Carbine .223 Remington/5.56x45mm NATO 11.5  Barrel w/5.5  Flash Suppressor 30 Rounds Black M4 Collapsible Buttstock Black Anodized Finish
6-0124397
$1,039.70
IN STOCK at Warehouses
10,11,2,3,4,6,8
 
 
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