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CMMG 5.56mm NATO 22" Stainless Steel Bull Barrel LP Gas Block 30 Round 2 Stage Trigger Semi Automatic Rifle 55A8ECB

CMMG 5.56mm NATO 22" Stainless Steel Bull Barrel LP Gas Block 30 Round 2 Stage Trigger Semi Automatic Rifle 55A8ECB

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Product Summary

The CMMG Stainless Steel Bull Rifle with 22" barrel in 5.56mm. Features a forged M4 upper receiver, T marked with M4 feed ramp cuts. Each rifle is head spaced and test fired by CMMG and comes with one 30 round magazine.


- Caliber: 5.56 NATO
- Upper: Forged M4
- Barrel: 22" Stainless Steel Bull Barrel
- Twist: 1:9
- Sights: None (M4 Flat Top/Low Profile Gas Block)
- Stock: Full Length
- Grip: Standard A2
- Hand Guard: Rifle Length Free Float Tube
- Magazine: 1 - 30 Round

2 Stage Trigger

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

Specification   Value
Capacity   30
Caliber   5.56mm NATO
SKU    96941
UPC    815835010274
Phone:   660-248-2293
Email:   sales@cmmginc.com
Website:   http://www.cmmginc.com
Address:   620 County Road 118

Fayette, MO 65248
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