Mas defense review

MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on …

MAS Defense LLC is not and will not be held responsible for any city, county, state and/or federal laws that you (the purchaser) do not comply with. Due to the volatile nature and ever-changing laws regarding unfinished frames and lowers, these items are not returnable.We would like to show you a description here but the site won’t allow us.MAS DEFENSE 15" SQUADRON LIGHTWEIGHT QUAD RAIL - BLACK. View Larger Photo Email A Friend. Alternative Views: MSRP: $140.00. Our Price: $119.99. SALE PRICE: $ 89.99.Unfortunately, it's been three years since I have purchased anything from them. Two 300 BO barrels, two gas tubes and two gas blocks. The customer service (basically online order and shipping to me) was fine. There address via google search is listed as: 658 Griffith Rd #111. Charlotte, NC 28217.MAS DEFENSE RIOT MUZZLE BRAKE 5/8 x 24 TPI Stainless Steel - Matte Blasted Finish Four Top Ports control muzzle rize Three Side Chambers reduce recoil Contoured at end to fit crush washer Stainless crush washer is included 2.5" Long x .81" Wide Weight - 3oz Proudly Made in USA.POLYMER80 PF-SERIES 9MM GLOCK FITMENT FRAME PARTS KIT W/ P80 COMPLETE TRIGGER ASSEMBLY P80-PFP-FKIT-BLK - BLACK. The Polymer80 PF-Series Full Pistol Frame Parts Kit is compatible with the (Glock) PF940v2, PF940C, PF940SC frame assemblies. Giving the end user multiple options with one kit, …Black Hardcoat Anodized Mil-Std-171 Type III. M4 Ramps, Forward Assist, Ejection Door. 2. Barrel - 10.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense 12.62" MW8 Octagon M-LOK Rail - (ID 1.8") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block.Unfortunately, it's been three years since I have purchased anything from them. Two 300 BO barrels, two gas tubes and two gas blocks. The customer service (basically online order and shipping to me) was fine. There address via google search is listed as: 658 Griffith Rd #111. Charlotte, NC 28217.

MAS Defense LLC is not and will not be held responsible for any city, county, state and/or federal laws that you (the purchaser) do not comply with. Due to the volatile nature and ever-changing laws regarding unfinished frames and lowers, these items are not returnable. ... Was this review helpful to you? 0 of 0 people found the following ...8.3" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 9.87" M-LOK RAIL 5.25" 9MM AR-15 BARRELED UPPER - MAS DEFENSE NERO 4.2" M-LOK RAIL AR-9 9MM BOLT CARRIER GROUP - GLOCK AND COLT BCG - MELONITE NITRIDE ... Was this review helpful to you? 0 of 0 people found the following review helpful: A+++ 9mm …M4 Ramps, Forward Assist, Ejection Door. 2. Barrel - 16" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense "Nero" 15" Slimline M-LOK Free Floating Handguard - (ID 1.25") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block. 5.Salem, Massachusetts is one of the most enchanting and historical cities in the United States. Famous for its witch trials and colonial architecture, Salem offers visitors a unique...MAS DEFENSE RIOT 9MM MUZZLE BRAKE - MELONITE NITRIDE - 1/2x36 TPI. 1/2 x 36 TPI for 9MM. Installation without leaving tool marks. - Wrap the bag around the wrench flats at the end of the brake. - Place your wrench over the bag and brake. - Torque the brake down until the ports are at top dead center. Great quality!MAS Defense LLC, Charlotte, North Carolina. 7,723 likes · 3 talking about this · 8 were here. AR-15, AR-10 and Glock Parts "Quality Parts at Reasonable Prices."

Proudly Made In The USA. Our "SQUADRON" quad rail with lightweight cuts make it feel as it it's floating on air. It is machined from 6061 aluminum and anodized with a Type III Class 2 Hardcoat. The rail itself weighs in at 8 oz. Add the barrel nut and attaching screws for a total of 10 oz. The top rail sits directly against the upper receiver ...10.5" 9MM AR-15 BARRELED UPPER - MAS DEFENSE RIDGELINE 12.62" M-LOK 10.5" 9MM NATO (9x19) 1x10 4150 CrMoV Melonite Nitride Treated Steel MAS Defense "Ridgeline" 12.62" Slimline M-LOK Free Floating Handguard - (ID 1.25") ... Was this review helpful to you? 0 of 0 people found the following review helpful: Love the products: … I asked here a while ago about mas defense uppers as they didn't have a lot of reviews anywhere. they had the 13.7" barrel I was looking for so I wanted to throw a quick hands on review for anyone else looking into them. VECTOR 15" FREE FLOAT QUAD RAIL. View Larger Photo Email A Friend. MSRP: $75.00. Our Price: $64.99. Stock Status: (Out of Stock) Product Code: HG-VQRER. MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity.

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Are you tired of paying high electric rates? If you are a National Grid MA customer, there are several steps you can take to lower your electric bills. In this article, we will pro...(SOLD OUT) MAS DEFENSE 4140 NITRIDE FRONT LOCKING BLOCK W/ P80 REAR RAIL & PINS [Add $62.99] *** ADD A JIG: ... Another pleasant transaction using MAS Defense, thanks guys! Was this review helpful to you? 0 of 0 people found the following review helpful: MAS Defense for the win!+Length: 9.87". Material: 6061-T6 Aluminum. Coating: Black Hardcoat Anodized Mil-Std-171 Type III. Weight including Hardware: 13oz. ID: 1.35" - (Requires use of "Slim" Muzzle Devices) Proudly Made In The USA. DESCRIPTION: Milled top pica-tinny rail to reduce weight. Quick Detach Mounts are built into the handguard at the rear positions.POLYMER80 PF-SERIES 9MM GLOCK FITMENT FRAME PARTS KIT W/ P80 COMPLETE TRIGGER ASSEMBLY P80-PFP-FKIT-BLK - BLACK. The Polymer80 PF-Series Full Pistol Frame Parts Kit is compatible with the (Glock) PF940v2, PF940C, PF940SC frame assemblies. Giving the end user multiple options with one kit, …Was this review helpful to you? 0 of 0 people found the following review helpful: Great!! July 8, 2023 ... Enter your email address for special offers from MAS Defense LLC. 8334 Pineville Matthews Rd Ste 103 #254 Charlotte, NC 28226 [email protected]. Let's Stay In Touch.

Requires use of Standard Hammer. This BCG will work with Colt AND Glock style AR9 Lowers. Melonite Nitriding treatment turns standard chrome moly steel into very slick, hard and corrosion resistant steel. The …MAS DEFENSE 15" SQUADRON LIGHTWEIGHT QUAD RAIL - BLACK Proudly Made In The USA. Our "SQUADRON" quad rail with lightweight cuts make it feel as it it's floating on air. It is m achined from 6061 aluminum and anodized with a T ype III Class 2 Hardcoat. The rail itself weighs in at 14oz. Add the barrel nut and attaching screws for a total of 17oz. …1 Apr 2023 ... Massad Ayoob - Is .380 Enough for Self-Defense? Selecting the correct ammunition. Critical Mas EP 59. Wilson Combat•933K views · 3:46. Go to ...MAS Defense Match Grade Glock 19 Stainless Steel Barrel - Bronze PVD Specs: 9MM - 9x19mm; 416R Stainless Steel; Bronze PVD Finish; Vickers Hardness of 1900-2100; SAMMI Spec Match Chamber ; 1:10 Twist 6 Groove ; Critical Manufacturing Tolerance of no more than .0015" Part Deviation of no more than .0005" 11 Degree Target Crown; Drop-In Fit …I going to be building a 20in "SPR" and was wondering on the quality of MAS Defense barrels. I saw their 20in .223 WYLDE and the price seems good. Their website has outstanding reviews but after searching them on google, I saw a post by a guy stating they rig their ratings by not allowing for any review less than 5 stars to be posted.MAS DEFENSE 9MM 416R STAINLESS MELONITE NITRIDE GLOCK 19 BARREL. 9MM - 9x19mm Chamber. 416R Stainless Steel. Melonite Nitride Treated. Hardened to ~54RC. Stress Relieved. 11 Degree target crown. 1:10 Twist Rate. Drop-In Fit GEN 1-4.Mas defense is underrated in this group I use them all the time great customer service fast shipping their uppers they are decently good one thing these dudes don't wanna admit is these uppers are mass produced in the same factory as alot of big name brands and made out of the same material the difference you will see between most uppers receivers is barrel quality and bcg quality that's where ...Was this review helpful to you? 0 of 0 people found the following review helpful: New build: June 30, 2023 ... Enter your email address for special offers from MAS Defense LLC. 8334 Pineville Matthews Rd Ste 103 #254 Charlotte, NC 28226 [email protected]. Let's Stay In Touch.16" 5.56 / .223 AR-15 1X8 FAXON FIREARMS GOVT / SOCOM PROFILE MID-LENGTH BARREL - 15A58M16NSQ. Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Quality is imbued into our …MAS DEFENSE 9.87" SQUADRON LIGHTWEIGHT QUAD RAIL - BLACK. Proudly Made In The USA. Our "SQUADRON" quad rail with lightweight cuts make it feel as it it's floating on air. It is machined from 6061 aluminum and anodized with a Type III Class 2 Hardcoat. The rail itself weighs in at 11oz. Add the barrel nut and attaching screws for a total of 13oz.

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16" 5.56 / .223 AR-15 BARRELED UPPER - MAS DEFENSE NERO 15" M-LOK RAIL - MID LENGTH GAS MAS DEFENSE 15" NERO M-LOK FREE FLOAT - BLACK M16 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - HYBRID NICKEL BORON ... Was this review helpful to you? 0 of 0 people found the following review helpful: Titanium Nitride …Requires use of Standard Hammer. This BCG will work with Colt AND Glock style AR9 Lowers. Melonite Nitriding treatment turns standard chrome moly steel into very slick, hard and corrosion resistant steel. The …16" 5.56 / .223 AR-15 1X8 FAXON FIREARMS GOVT / SOCOM PROFILE MID-LENGTH BARREL - 15A58M16NSQ. Faxon Firearms barrels are the pinnacle of value. Manufactured 100% in-house from cradle-to-grave, these barrels are fully stress relieved, air-gauge tested, and 11 degree target crowned to ensure superior accuracy. Quality is imbued into our …Buy MAS Defense At A Lower Price Of $41.50. Get 60 MAS Defense Coupon Code at CouponBirds. Click to enjoy the latest deals and coupons of MAS Defense and save up to 47% when making purchase at checkout. Shop masdefense.com and enjoy your savings of May, 2024 now! MAS DEFENSE 80% LOWER COMPLETION JIG AR-15 / AR-9 MPN: MAS0002202 The MAS Defense Complete 80% Jig Kit is all you need to complete the final machining process on your 80% AR-15 and AR-9 receiver. Includes: - Aluminum side plates with steel bushings - Three top plate templates - All necessary hardware - Made In the USA Drill Bits Needed: When the item is located, the price is usually very high. MAS Defense delivered a quality part at a reasonable price. Shipping was acceptable and the time to …Register at MAS Defense and Get 10% Discount First Order. May 23, 2024. 1 used. Click to Save. See Details. Find rare Register at MAS Defense and get 10% discount first order savings. Save on 10% OFF at masdefense.com. 30% OFF applied successfully. Time waits not, neither do great Coupon Codes. Free. MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity. Best AR-15 Bolt Carrier Groups (BCG) 1. Bravo Company Manufacturing (BCM) M16 BCG. Let’s just start with our editor’s pick for a branded mil-spec BCG. If you ask most people online what’s their go-to BCG…the vast majority is going to be BCM’s M16 BCG. BCM M16 BCG.MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity.

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MAS DEFENSE 9MM 416R STAINLESS STEEL GLOCK 19 BARREL - RADIANT GRAY Specs: 9MM - 9x19mm; 416R Stainless Steel; Radiant Gray Mirror Finish - Hint of blue on a gray finish. Vickers Hardness of 3200; Thickness of 2-3 Microns; Max Temp 750 F; SAMMI Spec Match Chamber ; 1:10 Twist 6 Groove ; Critical Manufacturing Tolerance of no more than .0015" mas defense 9mm 416r stainless steel barrel - glock 19 fitment - matte gray pvd - threaded MAS DEFENSE 9MM 416R STAINLESS STEEL BARREL - GLOCK 19 FITMENT - MELONITE NITRIDE Our Price : $119.99 MAGPUL MBUS GEN 2 FRONT & REAR SIGHT SET - MAG247 MAG248 - BLACK. The MBUS (Magpul Back-Up Sights) are a low-cost, color injection molded, folding back-up sight set. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards. The dual aperture MBUS Rear Sight is adjustable for windage and fits … AR-10 .308 BOLT CARRIER GROUP DPMS GEN 1 BCG - MELONITE NITRIDE. Melonite Nitriding treatment turns a standard chrome moly steel barrel into a very slick, hard and corrosion resistant barrel. Unlike chrome lining, the Melonite process is a treatment done to the surface instead of adding a layer of material. This treatment is done to both the ... r/ar15. r/ar15. • 10 yr. ago. [deleted] MAS defense barrels. Good, bad, usable? Looking for a 10.5" barrel and having a hard time finding something in stock. Came across these and they have a 10.5" chrome moly barrel for $125. And others for $159.This device is designed to direct gasses and noise forward away from the shooter. The inside bore is drilled out in the form of a funnel eliminating the need for extra pieces. 6061 Aluminum. Solid One Piece Construction. Anodized Finish. Measures 3.25" x 1.20". 1/2 x 28 Thread - 5.56 / .223. Weight 3oz. mas defense 9mm 416r stainless steel barrel - glock 19 fitment - matte gray pvd - threaded MAS DEFENSE 9MM 416R STAINLESS STEEL BARREL - GLOCK 19 FITMENT - MELONITE NITRIDE Our Price : $119.99 A Mercedes from Westwood MA is a great choice for anyone looking for a luxurious and reliable vehicle. Not only are they stylish and comfortable, but they also offer a variety of f... ….

18" .223 wylde ar-15 barreled upper - mas defense nero 15" m-lok rail - ballistic advantage barrel AR-15 BOLT CARRIER GROUP 5.56 & 300 BLACKOUT BCG - MELONITE NITRIDE 18" .223 WYLDE AR-15 BARRELED UPPER - MIL SPEC BARREL NUT - BALLISTIC ADVANTAGE BARREL(SOLD OUT) MAS DEFENSE 4140 NITRIDE FRONT LOCKING BLOCK W/ P80 REAR RAIL & PINS [Add $62.99] *** ADD A JIG: ... Another pleasant transaction using MAS Defense, thanks guys! Was this review helpful to you? 0 of 0 people found the following review helpful: MAS Defense for the win!+M4 Ramps, Forward Assist, Ejection Door. 2. Barrel - 16" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense "Nero" 15" Slimline M-LOK Free Floating Handguard - (ID 1.25") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block. 5.MAS DEFENSE AR-10 .308 DPMS GEN 1 HIGH PROFILE BILLET UPPER RECEIVER - BLACK. Black Hardcoat Anodized Mil-Std-171 Type III; ... Thanks again..MAS Was this review helpful to you? 0 of 0 people found the following review helpful: Upper: June 27, 2023: Richard Choate from MINERAL WELLS, TX United States Ordered a matching …1 Apr 2023 ... Massad Ayoob - Is .380 Enough for Self-Defense? Selecting the correct ammunition. Critical Mas EP 59. Wilson Combat•933K views · 3:46. Go to ... This complete 80% jig kit is all you need to complete the final machining process to turn your 80% AR-15 Receiver into a working stripped lower receiver. Includes: Left and Right side fixture plates / vice jaws. Three top plate templates. All hardware necessary to secure jig and top plate. MPN: MAG-247-FDE and MAG-248-FDE. The MBUS (Magpul Back-Up Sights) are a low-cost, color injection molded, folding back-up sight set. The MBUS Front Sight is adjustable for elevation and fits most 1913 Picatinny-railed hand guards. The dual aperture MBUS Rear Sight is adjustable for windage and fits most 1913 Picatinny rail equipped weapons.22 Jan 2024 ... ... Mas Ep 15. Wilson Combat•854K views · 2:41. Go ... Daniel Defense H9 (Did Daniel Defense fix the issues?) ... Honest Owner Review: Daniel Defense H9 ... Mas defense review, MAS Defense LLC is not and will not be held responsible for any city, county, state and/or federal laws that you (the purchaser) do not comply with. Due to the volatile nature and ever-changing laws regarding unfinished frames and lowers, these items are not returnable. ... Was this review helpful to you? 0 of 0 people found the following ..., Basically, the way I got them is how I will review them. I will say that the higher tier upper that I have is a lot lighter, and that is partly due to the handguard as it is not really a one size fits all handguard like the MAS defense one is. The barrel on the MAS defense is 1:8 twist 16”416R stainless steel, and spiral fluted., Are you considering pursuing a Master’s degree in Arts (MA) at the prestigious Indira Gandhi National Open University (IGNOU)? If so, it’s crucial to stay on top of the important d..., Sep 8, 2016 · 1 (100%) I have two MAS Defense barrels. One came with a complete upper that I purchased from them last Black Friday for $204 shipped. It's a 16" 1/8 twist carbine length melonite barrel. The gas block and tube are generic, the hand guard is junk, but the upper is from Cerro Forge. , 23 Jun 2020 ... Today I will be reviewing the Weapon aspect of the IDF LITE mas - Israel Defense Forces and Middle East Opfor mod in Arma 3 by Massi., #1 · Dec 26, 2017. I'm looking for another AR-15 upper and MAS Defense in Charlotte has some great deals listed on Armslist but I am wary of dealing with people who say they …, MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity. , masdefense.com Reviews: Is this site a scam or legit? - Scam Detector. Scam detector validator vldtr®. Is masdefense.com Legit? The trust score of the website is: 78.8. Fair. …, When the item is located, the price is usually very high. MAS Defense delivered a quality part at a reasonable price. Shipping was acceptable and the time to receive the item was better than average. I will be shopping at MAS Defense for my builds in the future. By the way, there is no such thing as a 5 star ratting., Add review; Store MAS Defense LLC (980) 265-1005 MASDefense.com 658 Griffith Rd Ste 111, Charlotte, North Carolina 28217 Overview. AR-15, AR-10 and Glock Parts ... Gun Store; E Commerce Website; Description. MAS Defense is committed to providing you "Quality Parts at Reasonable Prices". Our foundation is built on excellent customer service ..., MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity., MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity., The Department of Defense released the unclassified National Defense Strategy, Nuclear Posture Review, and Missile Defense Review., MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity., Contact Information. 8334 Pineville Matthews Rd Ste 103 PMB 254. Charlotte, NC 28226-3764. Visit Website. (980) 265-1005. BBB Business Profiles may not be reproduced for sales or promotional ..., 2022 MISSILE DEFENSE REVIEW (MDR), There's an issue and the page could not be loaded. Reload page. 6,467 Followers, 247 Following, 174 Posts - See Instagram photos and videos from MAS Defense (@masdefense), M4 Ramps, Forward Assist, Ejection Door. 2. Barrel - 8.5" - 9.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense "RIDGELINE" 7.25" Slimline M-LOK Free Floating Handguard - (ID 1.25") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block. 5., I highly recommend the Vector rail and end cap and MAS Defense fast shipping. Was this review helpful to you? 0 of 0 people found the following review helpful: Really ties the build together: ... Enter your email address for special offers from MAS Defense LLC. 8334 Pineville Matthews Rd Ste 103 #254 Charlotte, NC 28226 [email protected]., MAS Defense is an AR-15, AR-10 and Glock parts store. We are committed to providing every customer with Quality Parts at Reasonable Prices! Our foundation is built on excellent customer service, honesty and integrity. , MAS DEFENSE 9.87" SQUADRON LIGHTWEIGHT QUAD RAIL - BLACK. Proudly Made In The USA. Our "SQUADRON" quad rail with lightweight cuts make it feel as it it's floating on air. It is machined from 6061 aluminum and anodized with a Type III Class 2 Hardcoat. The rail itself weighs in at 11oz. Add the barrel nut and attaching screws for a total of 13oz., This device is designed to direct gasses and noise forward away from the shooter. The inside bore is drilled out in the form of a funnel eliminating the need for extra pieces. 6061 Aluminum. Solid One Piece Construction. Anodized Finish. Measures 3.25" x 1.20". 5/8 x 24 Thread - 300 Blackout, 308, 7.62x39mm. Weight 3oz., 9MM - 9x19mm. Cold Hammer Forged CrMoV Steel. Titanium Nitride Matte Gold Finish. Hardened to ~64 RC. Match Grade SAMMI Spec. 1:10 Twist 6 Groove. Critical Manufacturing Tolerance of no more than .0015". Part Deviation of no more than .0005". 11 Degree Target Crown., This barrel nut will only fit our MW8 Octagon and Squadron handguards. (8) screws (1/4" long, 8/32 TPI, cone style) are included. Installation should be complete by a gunsmith. The barrel nut accepts a standard AR-15 armorers wrench and must be torqued to a minimum of 38 FOOT LBS. The (8) handguard screws should be torqued evenly to 35 INCH LBS ..., MAS DEFENSE 9MM 416R STAINLESS MELONITE NITRIDE GLOCK 19 BARREL. 9MM - 9x19mm Chamber. 416R Stainless Steel. Melonite Nitride Treated. Hardened to ~54RC. Stress Relieved. 11 Degree target crown. 1:10 Twist Rate. Drop-In Fit GEN 1-4., 2022 MISSILE DEFENSE REVIEW (MDR), 23 Jun 2020 ... Today I will be reviewing the Weapon aspect of the IDF LITE mas - Israel Defense Forces and Middle East Opfor mod in Arma 3 by Massi., MAS DEFENSE RIOT MUZZLE BRAKE 5/8 x 24 TPI Stainless Steel - Matte Blasted Finish Four Top Ports control muzzle rize Three Side Chambers reduce recoil Contoured at end to fit crush washer Stainless crush washer is included 2.5" Long x .81" Wide Weight - 3oz Proudly Made in USA., This sight’s two-piece design allows it to be mounted on firearms with pinned and welded muzzle accessories or barrels that are not drilled for a front sight post. It mounts easily and securely with four cap screws using a 7/64" Allen wrench. A sling swivel is included to aid in carrying your weapon. A bayonet lug is also included., MAS Defense LLC is not and will not be held responsible for any city, county, state and/or federal laws that you (the purchaser) do not comply with. A 15% cancellation fee will be charged to orders containing this part with shipping addresses in the above outlined cities or states. Polymer80 handles all warranty claims directly., 16" 300 BLACKOUT AR-15 BARRELED UPPER - MAS DEFENSE NERO 12.62" M-LOK RAIL MUZZLE JAM NUT - 1/2x28 TPI MAS DEFENSE 15" NERO M-LOK FREE FLOAT - BLACK ... Thanks again MAS.! Was this review helpful to you? 0 of 0 people found the following review helpful: Muzzle device :, Black Hardcoat Anodized Mil-Std-171 Type III. M4 Ramps, Forward Assist, Ejection Door. 2. Barrel - 10.5" 300 Blackout Barrel. Click on the drop down box above to choose from our selection. 3. Handguard - MAS Defense 12.62" MW8 Octagon M-LOK Rail - (ID 1.8") 4. Gas Block - .750 Low Profile Steel Melonite Nitride Treated Gas Block., Customer Reviews. This business has 0 reviews. Be the First to Review! Customer Complaints. This business has 0 complaints. File a Complaint. Business Details. …