SUREFIRE EP10 SONIC DEFENDERS® Size:S 62x51 pattern) with the affordable

62x51 pattern) with the affordable Magpul Bolt Action Magazine Well

not with the MOE attachment system

buffer tube extension and spring which must be purchased separately

and many other billet upper/lower combinations

SUREFIRE EP10 SONIC DEFENDERS® Size:S 62x51 pattern) with the affordablePatented, foam tipped earplugs that deliver superior hearing protection Provide a 30 dB Noise Reduction Rating (NRR) to protect against potentially harmful noise Ideal for industrial, tactical and recreational applications Choose Ultimate Protection. Want the most effective and most comfortable in ear hearing protection available? EP10 Sonic Defenders Ultra Max earplugs answer the call, providing the highest level of hearing protection made by