Bcn complete lower I believed lengthy and hard right before I bought this lower! The Spikes tactical lower's are over $100 cheaper. And that is what I selected the last time. The spikes worked a hundred%, but Once i obtained it I wanted the bcm. Ended up trading the spikes https://andersonpjbsj.blog2freedom.com/28852405/examine-this-report-on-bcm-lower-receiver