The factory demo models are models that were opened from their original packaging or used in someway but are in good condition. These models can then be sold at a discounted price.
The TRYBE Defense AR-15 M-LOK Lightweight Quad Handguards are Hard Anodized.
The TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard fits Mil-Spec AR15 receivers. If the Extar EP9 uses or is compatible with a Mil-Spec Handguard the TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard will work.
The TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard w/ Full Rail will require you to remove your delta ring, handguard cap, and FSB or railed gas block. You would need to replace it with a low-profile gas block.
J -- Color, length, and weight specs are listed next to each model at the top of the product page
The TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard is offered in a 7", 9", 12", and 15" handguard length option. You can email us at Techsales@opticsplanet.com for more information.
The TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard will work with Mil-Spec AR15 receivers. According to CMMG the MK47 is compatible with the CMMG MK3 handguards or LR-308 High Patterned handguards. So the TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard will not work with a MK47.
The TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard will not work with piston driven gas systems.
Tippman states that the Tippman M4-22 is compatible with most AR15 handguards. So the TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard w/ Full Rail should work.
The TRYBE Defense AR-15 M-LOK Lightweight Quad Handguard w/ Full Rail will fit an AR15 in 300 Blackout as long as the upper receiver is Mil-Spec.