AR15 Handguard
AR-15 Handguards/Forends to fit Milspec AR15, M4, and M16 Firearms.
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GunTec USA
AR15 Barrel Nut Shim for Free Floating Handguard
$9.95$6.95AR15 barrel nut shim for free float handguard/quad rail. • Helps improve torque, timing, indexing, alignment of barrel nut • This 0.32mm stainless steel shim fits between the barrel nut and upper receiver • Works with .223/5.56/300 AAC Blackout • Does...018-SHIM$9.95$6.95