IYKYK - Prolly some of the last of the S3F precision glock barrels on the market. 
S3F was known for producing the most sought after precision barrels in the game. 
Tight lock up, fast twist rate with matchgrade 416 SS metal. 
 
These barrels will eat all grain ammo but shine with 124/147 

1/10 twist match grade G43 barrels 
 
3 color options - DLC Black / DLC Rose Gold / DLC TIN ( Gold )
 
Barrels generally ship within a weeks time of placing order
 
Please expect a 200+ round break in period with all Match grade barrels from S3F
Unless product is damage on arrival all sales are final.