THE ULTIMATE GUIDE TO BUSHMASTER AR-15 HANDGUARDS AND RAILS

These parts can and do very last for much longer along with the plan is geared far more in direction of a duty rifle. I have found the 2500 and 5000rd PM's to become valuable.in addition to which i will invest in "actual" stuff - yhm for rails, when They can be a little bit out of spec, still get the job done well for me (the rails are a tad short