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Consistent specs for a reliable build.
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★★★★★ Trusted by 49K+ Builders

SBA5 Brace That
Delivers Stability

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What Our Builders Are Saying.

AR Build Kit Review

“The brace fits perfectly and feels nice and snug. It might not be as sleek as the SBA3, but it’s spot on in terms of fit and function. Very solid and streamlined.”

★★★★★
Ethan B. Verified Builder
AR Build Kit Review

“Beat price around and shipped out quickly. Thank you for the deals and service.”

★★★★★
James T. Verified Builder
AR Build Kit Review

“An awesome product—it's like the best features of the SBA3 and SBA4 combined. Plus, the shipping was lightning fast; I had it in hand by day three!”

★★★★★
Oliver W. Verified Builder
AR Build Kit Review

“This is my fourth time buying from this site, and I’ve had a great experience each time. The fit is perfect, no slop on the buffer tube, and the quality is solid. Highly recommend!”

★★★★★
Lucas P. Verified Builder

SB Tactical SBA5 Pistol Stabilizing Brace

Was: $124.99
Now: $79.99
SAVE $45
  • 5-Position Adjustable Allows precise customization for improved comfort and control.
  • Integral QD Sling Socket Ambidextrous QD attachment point for flexible sling setups.
  • SB15®-Inspired Arm Cuff Updated arm cuff design enhances stability and usability.
  • Mil-Spec Compatible Fits any platform accepting a mil-spec carbine receiver extension.
  • US Veteran Designed Proudly made in the USA.
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★★★★★
"Another excellent product from SB Tactical. It holds its shape well, with no rattle on the tube, and adjusts smoothly. ShootersGate always offers great prices, and the shipping is fast. I would highly recommend this product."
- Gerard L. ✓ Verified Buyer
Description & Specs +

The SBA5™ Pistol Stabilizing Brace® is 5-position adjustable and designed for all platforms capable of accepting a mil-spec carbine receiver extension. Featuring an integral, ambidextrous QD sling socket and an arm cuff based on the original SB15®, the SBA5 greatly enhances the usability of the host firearm by providing an additional point of contact.

The SBA5 is compatible with any mil-spec carbine receiver extension (not included).

  • Fit: All platforms capable of accepting a mil-spec carbine extension
  • Length: 6.2″ (brace only), 7.5″ (collapsed), 10.25″ (extended)
  • Width: [max]: 2.1″
  • Weight: 9 oz
  • Color: Black, FDE
Shipping Information +

Orders placed before 2 PM EST typically ship the same business day.

Frequently Asked Questions +

Q: Is this kit legal in my state?
A: Please verify compliance with your local and state regulations before purchasing.

Q: What do I still need to complete the build?
A: You will need a compatible AR-15 stripped lower receiver and a magazine. All other major components are included in the kit.

Q: Is this kit suitable for first-time builders?
A: Yes. A bonus AR-15 gun mat and armorer’s wrench are included to help with assembly, and our ShootersGate experts are available to assist if needed.

Q: Do you offer warranty or support?
A: Yes. With over 20 years of industry experience, ShootersGate provides reliable, long-term support. Our VA-based team is available to help with product questions, compatibility concerns, and general build assistance.

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- OVERVIEW -
The Shooters Gate AR-15 Unassembled Rifle Build Kit provides a solid Mil-Spec foundation for a dependable 5.56 NATO build. It includes a forged 7075-T6 upper receiver, a 16" 5.56 barrel with a 1:8 twist and mid-length gas system, and a 15" free-float M-LOK handguard for stability and accessory mounting.

The kit also features a USA-made BCG, standard charging handle, complete lower parts kit, and a Mil-Spec buffer tube assembly. Bonus tools—an armorer’s wrench, gun mat, and sling—are included to support assembly. Only a stripped lower receiver and magazine are required to complete the build.
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Upper
Lower
Buffer
Bonus

Complete Upper Assembly Components

Receiver: Forged 7075-T6 Mil-Spec Upper

Barrel: 16" 5.56 NATO, 1:8 Twist

Handguard: 15" M-LOK Free-Float

BCG: USA-Made Bolt Carrier Group

Gas: .750 Gas Block + Mid-Length Tube

Muzzle: A2 Flash Hider

Charging Handle

dust cover Black

forward assist Black

Trigger Parts Kit

Safety Selector Safety Detent Safety Detent Spring Trigger Guard Trigger Guard Roll Pin Pistol Grip Washer Pistol Grip Screw Buffer Retainer Retaining Spring Mag Release Mag Release Button Mag Release Spring Takedown Pins (x2) Takedown Springs (x2) Takedown Detents (x2) Hammer Spring Hammer Pin Trigger Spring Trigger Pin Bolt Catch Bolt Catch Plunger Bolt Catch Spring Bolt Catch Roll Pin Disconnector Disconnector Spring Trigger Guard Screws Trigger Hammer AR-15 Pistol Grip

Buffer System & Furniture

Mil-Spec Stock

Mil-Spec Buffer Tube

Carbine Buffer & Spring

Castle Nut + End Plate

Bonus Gear

Armorer’s Wrench

Gun Mat

One-Point Sling