Firearms

5.56mm NATO

Sig Sauer SIGP556xi PISTOL 5.56mm 10" withPSB 30 Rounds P556XI-10B-C-PSB

Name: Sig Sauer SIGP556xi PISTOL 5.56mm 10" withPSB 30 Rounds P556XI-10B-C-PSB
Brand: Sig Sauer
SKU: 11061746
Availability: PreOrder
Rating: 3 (1 reviews)

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SKU:

11061746

Manufacturer:

Sig Sauer

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Product Summary

Sig Sauer SB15 Stabilizing Brace will give you improved accuracy and reduced recoil when shooting an AR-pistol with buffer tube. The unique design uses the forearm to provide a natural and comfortable rest for shooters of all sizes and physical ability.

Features:

- 3 Position Gas Piston Operating System with Rotating Bolt
- Ambidextrous Controls
- Swappable Charging Handle
- Locking Flip-Up Front/Rear Sights

Specifications:

- Caliber: 5.56mm NATO
- Barrel Length: 10"
- Mag Capacity: 10 Rounds
- Rifling: 1 in 7"
- Number of Grooves: 6
- Length: 28.2"
- Weight: 6.8"
- California Compliant: No
- Massachusetts Compliant: No

Caliber Dictionary

The Below Information Has Been Provided From Our Gun Caliber Dictionary And Is Meant For Informational Purposes Only. It Is Not Intended to Describe The Unique Specifications For This Ammunition.

The 5.56X45mm NATO cartridge was designed by James Sullivan, a member of Eugene Stoner's engineering team that developed both the M16 rifle and its original cartridge. The 5.56X45mm NATO was adopted by the U.S. military in 1964 and by NATO in 1980. With bullet diameter of .224-inch, the original M193 military cartridge used a 55-grain bullet at 3250 fps; the current M855A1 cartridge, developed by FN, uses a 62.5-grain bullet at 3020 fps, offering greater range and better penetration. The civilian version of the 5.56X45mm is 223 Remington; the cartridges are dimensionally identical but military chamber dimensions and specifications for military brass are different. It is considered safe to use 223 Remington ammo in a 5.56X45MM NATO chamber, but not a good idea to use 5.56X45mm ammo in a rifle specifically chambered for the 223 Remington. Although the stopping power of .22-caliber bullets remains controversial the 5.56X45mm has served well in now multiple generations of M16 rifles. — Craig Boddington

Specifications