Hello Snipershide!
Geissele Automatics has been offering Single Point Cut Rifled Barrels for close to two years now but they've been restricted to the 6 ARC Stratomatch or blanks that the end customer could have custom turned from barrel manufacturers like White Oak Armory.
Two weeks ago Geissele proudly released thier new 18" SPR Cut Rifled Barrels to the public.
At the time of their release I purchased 3 of the new SPR Barrels for testing and evaluation. Geissele seems to have paid close attention to the features customers want today.
Barrel description:
18" Single Point Cut Rifled
5 Right Hand Lands and Grooves
Geissele 3 Port Phased Array Gas System
416 Stainless Steel
1-7 Twist
.223 Match Chamber
5/8x24 Threads
Rifle Length Gas
.750 Gas Block Journal
M4 Feed Ramps
Bead blasted finish
The quality and the machine work on these SPR barrels are as good as they Come, truly impressive.
The SPR Barrel has a precise and clean cut 11° Taget Crown the is chamferred, delivering exceptional accuracy and greater protection.
The Geissele Proprietary Phased Array Gas System utilizes a unique 3 Gas Port Design. Each Gas Port is .063" in diameter and is located at varying distances from the Gas Block Journal Shoulder with a milled spiral cut that Channels the gas from all three Gas Ports, equally dispersing gas pressure for a smoother recoil impulse resulting in faster Sight Recovery and Target Acquisition.
Each gas Port has a forward facing Teardrops Style Chamfer eliminating any possibility for developing a Burr at the Gas Port which can be detrimental to accuracy.
internal View:
Each Gasport is perfectly centered in a Groove.
As I stated above the machine work on these Cut Rifled Barrels are truly a work of art, I've performed a Side-By-Side Borescope Comparison between a Craddock Precision Bartlein .223 and the new Geissele SPR barrel.
Geissele:
Throat:
Neck:
Base:
Shoulder:
Tenion Face:
Craddock Precision Bartlein:
Throat/Neck:
Base:
Lands and Grooves:
Gas Port:
Tomorrow Part 2, Upper Assembly.
Jake.
