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Ran 40 rounds of Hornady Black through this and decided to stick with just one Grendel upper. These are Type 1 and take 7.62x39 bolts.
$160 without a bolt and $210 with new Bear Creek Arsenal BCG
$9 shipping
PRODUCT DESCRIPTION
This ultralight contour barrel is manufactured from 416R Stainless Steel and uses EV5 Rifling* with a 1 in 8" twist. Additional features include a mid-length gas port for barrels 16" to 18" and rifle-length gas port for 20" - 24" barrels, M4 feed ramps and 5/8" x 24 threaded muzzle. With the 5/8" x 24 threading, this will allow you to use any .30cal muzzle brakes, flash hiders or suppressors. This barrel requires a Grendel bolt with a .125" (type 1) bolt face depth, which we provide separately or as a combo kit. This barrel used the "Grendel II" chamber, which has the compound throat taken out of the SAAMI grendel cartridge. The compound throat was causing issues to where the bullet would get stuck in the lands and grooves.
*The EV-5 rifling combines the superior sealing and ease of cleaning attributed to true polygonal rifling, with the positive bullet contact of traditional rifling to deliver truly impressive performance.
Benefits:
* 416 R Stainless Steel
* 5 Land Hybrid Rifling
* Higher Velocities
* Extreme Accuracy
* Longer Shots
* Less Bullet Deformation so you will see less in-flight bullet drag
* Better Bullet sealing for higher velocities and more consistent shots
* Easier Cleaning
* Fast Brake-In
* Less Maintenance
* Longer Barrel Life
Technical Information:
Available Lengths: 16", 18", 20", 22", 24"
Weight: 1lb-13oz. for the 18"
Material: 416R Stainless Steel
Contour: Light
Chamber: 6.5 Grendel
Twist Rate: 1 in 8"
Finish: Stainless
M4 Feed Ramps: Yes
Muzzle Thread Pattern: 5/8" x 24
Gas Port Location: Mid for 16" - 18", Rifle for 20" - 24"
Exterior Diameter at Gas Port: 0.750"
$160 without a bolt and $210 with new Bear Creek Arsenal BCG
$9 shipping
PRODUCT DESCRIPTION
This ultralight contour barrel is manufactured from 416R Stainless Steel and uses EV5 Rifling* with a 1 in 8" twist. Additional features include a mid-length gas port for barrels 16" to 18" and rifle-length gas port for 20" - 24" barrels, M4 feed ramps and 5/8" x 24 threaded muzzle. With the 5/8" x 24 threading, this will allow you to use any .30cal muzzle brakes, flash hiders or suppressors. This barrel requires a Grendel bolt with a .125" (type 1) bolt face depth, which we provide separately or as a combo kit. This barrel used the "Grendel II" chamber, which has the compound throat taken out of the SAAMI grendel cartridge. The compound throat was causing issues to where the bullet would get stuck in the lands and grooves.
*The EV-5 rifling combines the superior sealing and ease of cleaning attributed to true polygonal rifling, with the positive bullet contact of traditional rifling to deliver truly impressive performance.
Benefits:
* 416 R Stainless Steel
* 5 Land Hybrid Rifling
* Higher Velocities
* Extreme Accuracy
* Longer Shots
* Less Bullet Deformation so you will see less in-flight bullet drag
* Better Bullet sealing for higher velocities and more consistent shots
* Easier Cleaning
* Fast Brake-In
* Less Maintenance
* Longer Barrel Life
Technical Information:
Available Lengths: 16", 18", 20", 22", 24"
Weight: 1lb-13oz. for the 18"
Material: 416R Stainless Steel
Contour: Light
Chamber: 6.5 Grendel
Twist Rate: 1 in 8"
Finish: Stainless
M4 Feed Ramps: Yes
Muzzle Thread Pattern: 5/8" x 24
Gas Port Location: Mid for 16" - 18", Rifle for 20" - 24"
Exterior Diameter at Gas Port: 0.750"
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