Introduced 2018. Mod 2 features a proprietary mid-length gas system, gas block secured with locking ring, E3 round-lug bolt design, URX4 handguard, ambidextrous bolt release, selector and magazine release, drop-in 2-stage trigger, receiver end plate with ambidextrous QD sling swivel sockets, 6-position collapsible stock, fully ambidextrous lower receiver controls, extended charging handle latch, folding front and 200–600 meter rear micro-iron sights are standard features of the SR-15 E3 Mod 2. Specific units in Mod 2 line include M-LOK handguards and 1:7 rifling twist, such as the E3 31900 (16" chrome-lined barrel), E3 Carbine 31946 (14.5" barrel), CQB 31952 (11.5" barrel), and Light Precision Rifle 31973 (18" barrel). Price shown for E3 31900. KeyMod handguard versions also available.

Chambered for .223 Win. Fitted with target contour 20" free floating barrel. Two-stage match trigger. Flattop receiver. No sights. Weight about 7.9 lbs.

.223 fitted with 20" standard weight barrel, with two-stage target trigger. Hand guard employs RAS accessory system. Fitted with flip-up low profile rear sight. Weight about 7.6 lbs.

Similar to SR-15 M-5, with 16" barrel, telescoping buttstock and vertical fore-end grip. Introduced 2006.

Caliber: 5.56mm NATO. Barrel: 14.5” chrome-lined mil-spec, proprietary mid-length gas system. Free-floated, hammer forged, 1:7” twist. E3 round-lug bolt design; ambidextrous bolt release, selector, and magazine release. M-LOK handguard. Drop-in two-stage trigger. 3-Prong Flash Eliminator. Weight: 6.55 lbs. Length: 33” to 36.5”. SEE POLITICAL PANIC PRICING.