$272.99 $259.99
S1 EVO Drop-In (BCG) M16 Full Auto & AR15 Semi Auto Ready
6.5 GRENDEL Type2 Bolt
Carrier machined from 8620 Steel
Advanced NiB Coating-UCT EXO Process, Twice as good as standard NiB Coatings
Uniquely designed for minimal drag resulting in less felt recoil and flatter follow up shots
Gas keys properly staked using grade 8 fasteners
SIDE CHARGING CUT MADE FOR NON RECIPROCATING SIDE CHARGING UPPER RECEIVERS
MADE IN THE USA
LIFETIME WARRANTY
Discounts Available For All MIL/LE/FIRST RESPONDERS INCLUDING ALL LICENSED MEDICAL STAFF
Standard Weight BCG
556/223/300BlkOut/224Vakyrie/6.5Grendel/6.8SPC
The S1 Drop-In BCG was created for use in real world applications without all the disadvantages of MILSPEC coatings. The EVO coating is the same Gen 2 NiB coating used on our Competition Series BCG. Our Unique Original Design results in a flatter shooting system with a noticeable smoother & faster cycle rate & less felt recoil. The advanced coating also makes your cleaning time much easier and Faster.
The NiB coating is twice as durable as traditional NiB and has a coefficient of friction of 0.02 with a surface hardness of 82-85 Rockwell C. Unlike traditional NiB the EVO has the appearance of chrome and is even easier to clean.
3 in stock
Advanced NiB Technology
DROP IN READY
Standard Weight BCG
6.5Grendel Type2
The S1 BCG was created for use in real world applications without all the disadvantages of MILSPEC coatings. The EVO coating is the same gen 2 NiB coating used on our Competition Series BCG.
The NiB coating is twice as durable as traditional NiB and has a coefficient of friction of 0.08. Unlike traditional NiB the EVO has the appearance of chrome and is even easier to clean.
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