ONLY 1 LOT AVAILABLE
ALL 300 BLACKOUT WINCHESTER USA BRASS IS PROCESSED AS FOLLOWS:
We use ONCE-FIRED WINCHESTER USA 5.56 BRASS and CONVERT IT TO 300 ACC BRASS.
Deprimed- Dillon Universal Depriming Die
Trimmed- Dillon RT1500. All cases have been trimmed to no longer than 1.355 +/- .005 to fall within SAAMI specs, which will allow you to reload several times before trimming.
Sized- Forster Bench Rest 300 AAC Blackout Die
Swaged- Dillon 1050 (swage is kept on the tigher side so you don't have loose primer pockets)
300 Blackout is Polished- Polished in Stainless Steel media for a beautiful shine inside and out.
The brass is ran by hand through our DIllon's we do not automate production, we run it and we check it as it is made to ensure quality.
Case neck and overall dimensions checked throughout processing with a Sheridan Engineering Gauge to ensure that the cases function in even the tightest SAAMI chambers, and we use digital calipers to ensure a consistent length of 1.355 +/- .005 We also batch check cases with a Swage Gauge to make sure they are not over or under swaged.
WE ARE CURRENTLY OUT OF STOCK OF LAKE CITY CONVERTED 300 BLACKOUT BUT WE HAVE ALL WINCHESTER HEADSTAMP THAT SPECS OUT IDENTICAL TO THE LC. WE ARE TOLD IT WAS MADE IN THE LC PLANT FOR WINCHESTER AND THE SPECS SEEM TO SHOW IT. GENERALLY WE PREFER LC OR WIN THEN FC NEXT. WITH THIS WINCHESTER USA 5.56 BRASS WE ARE HIGHLY CONFIDENT IN THE QUALITY OF IT AND THAT'S WHY WE HAVE DECIDED TO OFFER IT FOR SALE.