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Model MIDWEST INDUSTRIES AR-15/M16 SADLAK INDUSTRIES AR-15/M16 VLTOR AR-15/M16 STEEL GAS BLOCKS One-Piece Design & Tough Steel Construction LOW PROFILE - One-piece, low profile, steel gas block fits under most free-float handguards for a clean, uncluttered look. Models available to fit .625", .750" and .936" O.D. barrels. Locks securely to barrel with three steel setscrews. a b SPECS: 4140 billet steel, manganese Parkerized finish, matte black. .625" – 113⁄16" (4.6cm) long, 13⁄8" (3.4cm) high. 2.5 oz. (71g) wt. .750" – 1¾" (4.4cm) long, 13⁄8" high. 3.6 oz. (102g) wt. .936" – 113⁄16" long, 1½" (3.8cm) high. 3.6 oz. wt. 100-008-248EK .625" Low Profile Gas Block, 2A37Y24 . . . . . . . . . . . . . . . . . . . . . . . . .$ 39.99 #100-002-854EK .750" Low Profile Gas Block, 2A35T00 . . . . . . . . . . . . . . . . . . . . . . . . . . 45.00 #100-004-908EK .936" Low Profile Gas Block, 2A37H24 . . . . . . . . . . . . . . . . . . . . . . . . . . 39.99 PICATINNY RAIL GAS BLOCK - Steel gas block with integral Picatinny rail has extra height that lets you mount a flip up or co-witness front sight on the same plane as the receiver rail of your flattop AR-15/M16. Add a Picatinny rail handguard to have a continuous rail extending from the receiver to the gas block for superb accessory mounting flexibility. Precision machined from tough 4140 billet steel to stand up to tens of thousands of rounds without eroding. Fits .750" O.D. barrels, and locks securely to barrel with three setscrews. a b SPECS: 4140 steel, dark gray Parkerized finish. 113⁄16" (4.6cm) long, 13⁄ 1 16" high. Fits .750" O.D. barrels. 6.2 oz. (175g) weight. #100-003-073EK Steel Picatinny Rail Gas Block, 2A55Y25 . . . . . . . . . . . . . . . . . . . . . . . . .$ 69.99 GAS BLOCKS Minimal Profile To Fit Under Handguard; Models With Integral Accessory Rail Aluminum or steel gas blocks give the choices you need to create a custom-built rifle with a mission-specific configuration. Mounts securely to barrel with included setscrews. Clamp-on models squeeze around the barrel as you tighten the side-mounted setscrews. Slip-on models are anchored by setscrews on the underside. Low Profile fits under a free-float handguard and lets you use a longer on carbine-length barrels for a clean, streamlined look with more gripping surface. Extended Nose is like Low-Profile, but with an extended sleeve that covers taper pin holes left by the issue A2-style sight tower. Varmint fits heavy .936" O.D. barrels. Bull Barrel includes a 3-slot, low or high Picatinny rail for mounting accessories. a b SPECS: 6061 T6 aluminum, hardcoat anodized, black, or 1018 alloy steel, Parkerized, black. Barrel O.D. measured at gas port. STOCK # #100-006-899EK #100-005-337EK #100-006-900EK #100-005-339EK #100-008-732EK #100-005-340EK #100-005-342EK #100-005-341EK TYPE ATTACHMENT BBL. O.D. Low-Profile Slip-On .625" Low-Profile Slip-On .750" Low-Profile Slip-On .875" Low-Profile Clamp-On .750" Extended Nose Slip-On .750" Varmint Clamp-On .936" Bull, Low Rail Clamp-On .936" Bull, High Rail Clamp-On .936" MATERIAL Steel Steel Steel Steel Steel Aluminum Aluminum Aluminum VST SIGHT TOWER Built Like A Tank To Withstand The Rigors Of Battle AR-15/M16 Low Profile Slip-On Extended Nose Bull, High Rail Low Profile Clamp Varmint Bull, Low Rail LENGTH .95" (24mm) .95" (24mm) .95" (24mm) .95" (24mm) 1.8" (46mm) 1.4" (36mm) 1.7" (43mm) 1.7" (43mm) WIDTH .775" (19.6mm) .90" (23mm) 1.0" (25mm) .90" (23mm) .90" (23mm) 1.2" (30mm) 1.2" (30mm) 1.2" (30mm) HEIGHT 1.3" (33mm) 1.4" (36mm) 1.4" (36mm) 1.5" (38mm) 1.4" (36mm) 1.7" (43mm) 1.7" (43mm) 1.9" (48mm) WEIGHT 1.4 oz. (40g) 1.4 oz. (40g) 1.6oz. (45g) 1.8 oz. (51g) 1.9 oz. (54g) 1.4 oz. (40g) 2.3 oz. (65g) 2.6 oz. (74g) PRICE 6A30X00 $ 34.99 6A22B26 $ 26.99 6A35X15 $ 40.99 6A38B07 $ 45.99 6A37Z24 $ 44.99 6A39B72 $ 47.99 6A46B34 $ 55.99 6A46B34 $ 55.99 Vltor Sight Tower (VST) is precision machined from solid tool steel to provide reliable function of the gas system and the option for emergency back-up sight deployment during battle conditions. Dual clamping rings fit a standard .750" diameter barrel and can withstand up to 100 ft-lbs of rotational torque without failure. Hex head clamping screws can be staked after installation for added security. Short Picatinny rail on top of the gas block is the same height as a standard M4 flattop rail and allows mounting of small tactical accessories when sight is folded. To avoid damage, the front sight tower is non-locking and uses spring-loaded plungers and detents for automatic disengagement if struck during combat. AK-style, front sight post is easy-to-adjust with the included sight tool. VST-1C has a stainless steel receptacle for right- or left-side attachment of QD push-button sling loops. VST-2C has the same great features as the VST-1C but without QD sling socket. a b SPECS: Steel, magnesium phosphate finish, matte black. 2" (5cm) long. VST-1C - 5.4 oz. (153g) weight. VST-2C - 4.5 oz. (128g) weight. Includes AK-style front sight adjustment tool. Fits .750" (1.9cm) diameter barrels. #100-003-221EK VST-1C Sight Tower, w/QD Socket, 3A186X00 . . . . . . . . . . . . . . . . . . . . . . .$ 213.75 #100-005-391EK VST-2C Sight Tower 3A186P00 . . . . 213.75 WILSON COMBAT AR-15/M16 TROY INDUSTRIES AR-15/M16 VLTOR AR-15/M16 FLIP-UP FRONT SIGHT Tactical Back-Up Sight For Optic-Equipped Rifles Rugged, all steel, flip-up front sight (FUFS) provides dependable backup in the event your primary optical sight fails. Designed from the ground up to be exceptionally robust, accurate, and reliable, the perfect match for Wilson’s Flip-Up Rear Sights (FURS). Pushbutton-activated mechanism deploys instantly for immediate use, so you can adapt to quick changes in fluid tactical situations. Minimal profile and weight; folds down out of the line of vision when you don’t need it. Spring-loaded, detent locks positively in the up or down position to further guard against unintentional raising or lowering of sight. Precision-machined from ordnance-grade steel, with a protective “fence” machined into the side of the sight post to shield the button from damage or accidental activation. Two, massive, side posts protect the elevation-adjustable A2style sight post from damage. All edges are radiused to resist snagging. Replaces factory gas block and front sight on .750" O.D. barrels. Clamps to barrel with two hidden setscrews on underside. a b SPECS: Steel, black, matte finish. 2.25” (5.72cm) long, 2.26” (5.74cm) deployed height from top of barrel to top of post, .825” (2.1cm) folded height. Fits .750” O.D. barrels. Muzzle accessories must be removed to allow installation. #965-000-072EK Wilson Combat FUFS, 5F125H96 . . . . . . . . . . . . . . . . . . . . . .$ 146.99 LOW-PROFILE GAS BLOCK Won’t Interfere With Extended-Length Tactical Forearms Minimal-profile replacement for factory front sight/gas block won’t interfere with extended-length tactical forearms, while ensuring proper function of gas system for reliable cycling. Protrudes only .420" above barrel, covers less than 1" of barrel length, and adds only 1.4 oz. of weight. Compatible with M4-style carbines and M16A2/A3/A4-style rifles with any length, .750" O.D. barrel. Two steel setscrews keep the block securely anchored to the barrel to prevent shifting even under the force of full-auto recoil. Black oxide finish matches most factory barrel finishes. a b SPECS: Carbon steel, oxide finish, matte black. .950" (24mm) long. 1.375" (3.5cm) overall height. 1.4 oz. (41g) weight. Fits AR-15/M16 with .750" O.D. barrel at gas block mounting position. Includes hexhead setscrews. #100-004-062EK Low-Profile Gas Block 3B45U00 . . .$ 49.99 LOW-PROFILE GAS BLOCK Clamp-On One-Piece Design Fits Under Free-Float Handguards Slim, streamlined, clamp-on replacement for cumbersome USGI front sight/gas block tower features a low profile for a more streamlined appearance and less chance of snagging on vegetation and other gear. Covers only 1" of barrel length and reduces weapon’s forward weight for improved handling and maneuverability. Machined from high-grade 4140 carbon steel to precise tolerances to fit on barrels with a .750" O.D. at gas block mounting position. Hard, manganese phosphate Parkerized finish adds strength and resists surface abrasion; matches most factory barrels. Will not fit under small diameter freefloat handguards or some models with an exposed bottom rail channel on the inside of the handguard. b a SPECS: 4140 carbon steel, Parkerized, matte black. Includes hexhead mounting bolts and gas tube pin. Fits AR-15/M16 with .750" O.D. barrel at gas block position. Will not fit under small diameter freefloat tubes or those with an exposed bottom rail channel on the inside of the handguard such as the VLTOR VIS and models manufactured by Daniel Defense and LaRue Tactical. #100-003-996EK Vltor Low-Profile Gas Block, 3A54Z99 . . . . . . . . . . . . . . . . . . . . . . . . .$ 69.99 PRECISION REFLEX AR-15 ADJUSTABLE LOW-PROFILE GAS BLOCK Lets You Tailor Extraction & Ejection To Individual Loads Lightweight, aluminum gas block features an adjustable gas port that lets you tune the amount of gas for reliable extraction and ejection to match your ammo. Adjustment screw closes or opens the port in the block and not the gas tube; drilling of the gas tube is not required. Fits under free float tubes and does not interfere with sight picture through scopes or red-dot sights. Dual set screws on bottom of the block securely locks the block onto the barrel. a b SPECS: Aluminum, hardcoat anodized, matte black. 1" (2.5cm) long, 1.37"(3.4cm) high, 1 oz. (28g) wt. Fits barrels .750" OD at the gas block position. #714-000-019EK Adjustable Low-Profile Gas Block, 4A60U69 . . . . . . . . . . . . . . . . . . . . . . . . .$ 69.99 GAS BLOCKS & TUBES YOUNG MANUFACTURING AR-15/M16 FRONT SIGHT GAS BLOCK Provides Instant Back-Up Sight When You Need It Flip-up front sight deploys instantly when you need it, folds down when you don’t. Down position allows unobstructed sight path when using optics. Detent, front post elevation adjustment. Protective ears guard against damage. Gas block locks onto standard diameter barrels with three set screws; includes single, Weaver-style rail for mounting flashlight or other small tactical accessories. a b SPECS: Aluminum, black anodized. 3" (7 .6cm) long, 1" (2.5 cm) 1⁄ wide. Sight Ramp: 2 2" (6.4cm) high when raised. Fits .750" (1.9cm) standard barrels. Weight – 3.6 oz (102 g). Requires AR-15 type front sight blade spring and plunger, not included. #939-000-004EK Front Sight Gas Block 9C82D04 . . . $ 97.99 VULCAN ARMS AR-15/M16 G.B. SYSTEMS AR-15/M16 GAS BLOCK Picatinny Rails On Three Sides Hard-Coat Anodized Per Mil Spec 8625 Machined, aircraft-grade, aluminum, gas block with picatinny rails attaches easily and lets you mount accessories to three sides. Grit blasted for a durable matte finish and hard-coat anodized as per mil spec 8625. a b SPECS: Aircraft-grade aluminum. Black, matte, anodized finish. Fits barrels with .750" (19mm) diameter. #997-000-002EK Gas Block 7Z38P89 . . . . . . . . . . . . . . .$ 44.99 GAS MANIFOLD Fits Match Diameter Barrels Lightweight, machined aluminum, replaces front sight bridge on flattop rifles equipped with large diameter match barrels. Permits use of free float tubes and match sights or scopes. Attaches to barrel with two set screws. a b SPECS: Aluminum, black, matte finish. 1.9" (4.8cm) long. Fits barrels .750" (19mm) or .940" (23.8mm) diameter. #100-000-041EK .750" Gas Block 1K29C95 . . . . . . . . . .$ 39.95 #100-000-042EK .940" Gas Block 1K29C95 . . . . . . . . . . . 39.95 EGW AR-15/M16 CLAMP-ON GAS BLOCK Low Profile Provides Clearance For Optics & Free-Float Tubes Machined aluminum gas block properly directs gas and won’t interfere with optics, accessories, or free-float tubes. Installs easily with hex screws. Gives your gun a sharp, clean look. a b SPECS: Aluminum, anodized, black, matte finish. 11⁄2" (3.8cm) long. .875" (22.2mm) I.D. #296-000-079EK .875" Clamp-On Gas Block, 6B40P00 . . . . . . . . . . . . . . . . . . . . . . . . .$ 50.00 Orders/Tech: 800-741-0015 www.brownells.com order on the web BROWNELLS . . . ONLY THE BEST . . . PAGE 13