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Parts/Build Kits & Barrels There are 21 products.

Parts/Build Kits & Barrels

Scorpion Armaments offers a variety of high quality lower parts, lower build, and buttstock kits each priced competitively. 

  • 16" Bear Creek Arsenal, Bear Claw 1:8 Twist
    Available
    16" Bear Creek...

    AR-15 BARREL: 16" HEAVY BARREL, W/ 1-8 TWIST, .223 WYLDE, STAINLESS STEEL WITH MELONITE FINISH, SPIRAL FLUTES

    AR-15 BARREL: 16" HEAVY BARREL, W/ 1-8 TWIST, .223 WYLDE, STAINLESS STEEL WITH MELONITE...

    AR-15 BARREL: 16" HEAVY BARREL, W/ 1-8 TWIST, .223 WYLDE, STAINLESS STEEL WITH MELONITE FINISH, SPIRAL FLUTES

    $139.00
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  • 16″ M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-8 Twist M4 Feed Ramps
    Available
    16″ M4 Carbine...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:7 Twist,Chambered in 5.56/.223 ,Parkerized Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:7 Twist,Chambered in 5.56/.223 ,Parkerized...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:7 Twist,Chambered in 5.56/.223 ,Parkerized Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    $75.00
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  • 16″ M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-8 Twist M4 Feed Ramps
    Available
    16″ M4 Carbine...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223 ,Parkerized Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223 ,Parkerized...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223 ,Parkerized Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    $75.00
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  • 16″ M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-8 Twist M4 Feed Ramps
    Available
    16″ M4 Carbine...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223 ,Parkerized Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223 ,Parkerized...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223 ,Parkerized Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    $79.00
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  • 16″ Nitride M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-7 Twist M4 Feed Ramps
    Available
    16″ Nitride M4...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:7 Twist,Chambered in 5.56/.223, Nitride Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:7 Twist,Chambered in 5.56/.223, Nitride...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:7 Twist,Chambered in 5.56/.223, Nitride Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    $89.00
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  • 16″ Nitride M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-7 Twist M4 Feed Ramps
    Available
    16″ Nitride M4...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223, Nitride Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223, Nitride...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:8 Twist,Chambered in 5.56/.223, Nitride Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    $89.00
    Add to cart View
  • 16″ Nitride M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-7 Twist M4 Feed Ramps
    Available
    16″ Nitride M4...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:9 Twist,Chambered in 5.56/.223, Nitride Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:9 Twist,Chambered in 5.56/.223, Nitride...

    AR-15 Barrel: 16 ” M4 Contour Barrel with 1:9 Twist,Chambered in 5.56/.223, Nitride Finish.Threaded Barrel,  M4 Feed Ramps, Carbine Gas System

    $89.00
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  • 16″ Stainless Steel M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-7 Twist M4 Feed Ramps
    Available
    16″ Stainless...

    M4 1:7 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle threads, chambered in 5.56. 16"

    M4 1:7 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle...

    M4 1:7 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle threads, chambered in 5.56. 16"

    $99.00
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  • 16″ Stainless Steel M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-7 Twist M4 Feed Ramps
    Available
    16″ Stainless...

    M4 1:8 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle threads, chambered in 5.56. 16"

    M4 1:8 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle...

    M4 1:8 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle threads, chambered in 5.56. 16"

    $99.00
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  • 16″ Stainless Steel M4 Carbine Contour Barrel Chambered 5.56/.223 With A 1-7 Twist M4 Feed Ramps
    Available
    16″ Stainless...

    M4 1:9 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle threads, chambered in 5.56. 16"

    M4 1:9 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle...

    M4 1:9 416R Stainless Steel with M4 Feed Ramps, Carbine Length Gas, 1/2x28 muzzle threads, chambered in 5.56. 16"

    $99.00
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  • 80% .308 Anodized Lower Receiver, Black
    Available
    80% .308 Anodized...

    308  80% LOWER RECEIVER DPMS PLATFORM This is everything you would want from a DPMS style .308 AR10 receiver. This lower receiver is a true DIY lower that requires only the milling of the fire control group chamber and three trigger assembly holes.

    308  80% LOWER RECEIVER DPMS PLATFORM This is everything you would want from a DPMS...

    308  80% LOWER RECEIVER DPMS PLATFORM This is everything you would want from a DPMS style .308 AR10 receiver. This lower receiver is a true DIY lower that requires only the...

    $109.00
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  • Available
    80% 5.56mm BILLET...

    These full mil-spec black 80% lowers are BILLET from 7075-T6 aluminum and anodized with a crisp, sharp black finish. They are also made to military specifications (mil-spec) and anodized in black to shorten the amount of time to completion.

    These full mil-spec black 80% lowers are BILLET from 7075-T6 aluminum and anodized with...

    These full mil-spec black 80% lowers are BILLET from 7075-T6 aluminum and anodized with a crisp, sharp black finish. They are also made to military specifications (mil-spec) and...

    $59.00
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  • 80% AR-15 Lower Completion Jig Kit
    Available
    80% AR-15 Lower...

    The kit includes: -Instructions to complete using a drill press -Instructions to complete using a milling machine -Left and Right side fixture plates / vice jaws -Three top plate templates -All hardware necessary to secure jig and top plate

    The kit includes: -Instructions to complete using a drill press -Instructions to...

    The kit includes: -Instructions to complete using a drill press -Instructions to complete using a milling machine -Left and Right side fixture plates / vice jaws -Three...

    $79.00
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  • SA Anderson Rifles Lower Parts Kit with Competition Pistol Grip
    Available
    Lower Parts Kit

    Lower Parts Kit with A2 Style Grip

    Lower Parts Kit with A2 Style Grip

    Lower Parts Kit with A2 Style Grip

    $49.99
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  • SA Anderson Rifles Lower Build Kit with Black-hawk Buttstock Assembly
    Available
    SA Anderson Rifles...

    Anderson Rifles Lower Build Kit Includes Mil-Spec Competition ARBLPG reinforced polymer composite grip Mil-Spec Blackhawk 6 position adjustable carbine rifle stock and Mil-Spec buffer tube assembly Anderson Rifles Trigger guard  Anderson Rifles five-star rated 5.56/.223 Lower Parts Kit Everything you need to finish your stripped lower receiver assembly!

    Anderson Rifles Lower Build Kit Includes Mil-Spec Competition ARBLPG reinforced...

    Anderson Rifles Lower Build Kit Includes Mil-Spec Competition ARBLPG reinforced polymer composite grip Mil-Spec Blackhawk 6 position adjustable carbine rifle stock and...

    $109.00
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  • SA Anderson Rifles Lower Build Kit with Commercial Buttstock Assembly
    Available
    SA Anderson Rifles...

    Anderson Rifles Lower Build Kit Includes Mil-Spec Competition ARBLPG reinforced polymer composite grip BS7 6 position collapsible commercial buttstock.  Anderson Rifles Trigger guard and stainless steel assembly Anderson Rifles five-star rated 5.56/.223 Lower Parts Kit Everything you need to finish your stripped lower receiver assembly!

    Anderson Rifles Lower Build Kit Includes Mil-Spec Competition ARBLPG reinforced...

    Anderson Rifles Lower Build Kit Includes Mil-Spec Competition ARBLPG reinforced polymer composite grip BS7 6 position collapsible commercial buttstock.  Anderson Rifles...

    $99.00
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  • SA AR15 Stripped Upper Receiver
    Available
    SA AR15 Stripped Upper...

    This forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring machined T marks, M4 feed ramps and mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer.

    This forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for...

    This forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring machined T marks, M4 feed ramps and mil-spec finish. These uppers are...

    $59.00
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  • SA AR15 Upper Receiver
    Available
    SA AR15 Upper Receiver...

    This Upper is partially assembled with an Ejection Port Cover and Forward Assist Assembly, and ready for a new barrel. CNC Machined from 7075 T6 Forged Aluminum, this quality Upper is finished in Hard Black Anodize for a non-reflective matte surface and protection against corrosion. It features an integral Picatinny Rail that will accept a wide variety of Rear Sights, Optics, or the A4 Removable Carry Handle.

    This Upper is partially assembled with an Ejection Port Cover and Forward Assist...

    This Upper is partially assembled with an Ejection Port Cover and Forward Assist Assembly, and ready for a new barrel. CNC Machined from 7075 T6 Forged Aluminum, this quality...

    $73.00
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  • SA BS-5 Alpha 6 Position Adjustable Stock w/Buffer Tube and Assembly
    Available
    SA BS-5 Alpha 6...

    Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine buffer spring Buffer tube is Mil-Spec diameter and 6061 aluminum Carbine buffer weight is 3 oz

    Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver...

    Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine...

    $49.00
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  • SA BS-8 Predator 6 Position Adjustable Stock w/Buffer Tube and Assembly
    Available
    SA BS-8 Predator 6...

    Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine buffer spring Buffer tube is Mil-Spec diameter and 6061 aluminum Carbine buffer weight is 3 oz

    Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver...

    Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine...

    $49.00
    Add to cart View
  • Scorpion Armaments Stability Enhanced AR15 Stripped Lower Receiver
    Available
    Scorpion Armaments...

    This stripped Scorpion Armaments AR15 lower receiver is ready to be assembled for your complete Upper! This stripped lower receiver comes with tension, bolt catch, and take down allen screws providing extra stability to the shooter, eliminating that annoying wobble, and improving the fit on any upper receiver.  See Additional Details Below See Below For FFL Information, a Valid FFL is Required for Purchase

    This stripped Scorpion Armaments AR15 lower receiver is ready to be assembled for your...

    This stripped Scorpion Armaments AR15 lower receiver is ready to be assembled for your complete Upper! This stripped lower receiver comes with tension, bolt catch, and take down...

    $59.00
    Add to cart View
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