By Robert Sadowski, Gun Digest
The weapon you accept to avert your home charge be maneuverable, compact, simple to use for you and your domiciliary members, and it charge accommodate the all-important firepower to stop an intruder. AR pistols are aloof that blazon of weapon for home defense, and the SIG P516 pistol with the SB15 Pistol Stabilizing Brace is the blazon of weapon advised for close-range maneuvering. The SIG P516 has a adamantine becoming acceptability amid aggressive and law administration cadre in the U.S. and about the apple as a reliable, able firearm.
The P516 is based off the SIG 516 rifle, which is congenital on an AR-15-type belvedere with a aesthetic operating arrangement that is combat-reliable. Instead of the acceptable direct-impingement gas arrangement begin on a accepted AR-type platform, the 516 series—both the burglarize and the pistol—use a short-stroke, gas-piston/pushrod operating system. This agent arrangement ensures that carbon abuse and balance calefaction never ability the alcove or t carrier.
In turn, this decidedly improves the weapon’s functionality. There is basal calefaction to dry out oil or band from afire gases.
All About That Gas
The P516 appearance SIG’s proprietary grip.
This operating arrangement additionally uses a four-position gas valve that allows a user to acclimatize the gas in one of four positions. Position No. 1 provides accustomed gas breeze to accomplish the P516. Position No. 2 allows added gas breeze for adverse situations, such as aback the weapon is befuddled and abbreviate stroking. Position No. 3 reduces gas breeze to enhance suppressor use, and position No. 4 turns off the gas amount for optimized aishment and makes the P516 action as a single-shot pistol. Best users will accumulate the gas amount in position No. 1, but it is advantageous that SIG’s engineers accustomed the amount to be adapted for abundant scenarios and circumstances. Practically useful, the valve can additionally be adapted application the tip of a cartridge.
When it comes bottomward to it, an AR pistol is a accommodation that spans the gap amid a archetypal 16-inch-barreled AR-type burglarize and an AR-type Abbreviate Barreled Burglarize (SBR). The aberration amid the 16-inch AR-type alternative and the SBR, added than the base length, is the paperwork appropriate to accurately own an SBR. This includes an ATF Form 1, bounded law administration approval and the acquirement of a $200 tax stamp. The “AR pistol” appellation allows gun owners to abstain the added paperwork while advancement a beneath barrel. The compromise, of course, is the absence of a base stock. The band-aid to that problem, if you can alarm it that, is the SB15 brace. The SIG P516 with the SB15 brace makes the pistol easier to control. It’s absolutely not the rock-steady authority of a base stock, but it’s steadier than the archetypal blaster hold.
The P516 is congenital with artificial 7075-T6 aluminum high and lower receivers with a adamantine covering anodized finish. The high appearance a free-floated, military-grade, nitride-treated, 10-inch base with a aberration amount of 1:7 inches with six grooves. At the cage is an A2-style beam hider. Aback abbreviating the breadth of base in the AR-type platform, accepting able gas to accomplish the arrangement is an engineering challenge. Afterwards speaking with a SIG spokesperson, they agreed it was a challenge, and that is why the short-stroke arrangement is used.
The P516 sports an aluminum quad-rail handguard that offers affluence of options for accessories.
“The P516 requires a bit added gas than the SIG 516 to run anxiously aback there is beneath backfire acknowledgment aback compared to a abounding rifle,” according to SIG. “So the gas anchorage is beyond on the P516, and aback it enhances believability on SBRs, the SIG 516 SBR additionally runs the aforementioned gas port.”SIG’s short-stroke gas pushrod arrangement additionally makes SBRs and P516s run added anxiously than a direct-impingement gun. This becomes abstract already the barrels become 11 inches or shorter. So, if you’re attractive for the best believability out of a SBR or an AR pistol, you absolutely should be attractive at a short-stroke gas pushrod system.
The base and the short-stroke agent arrangement are again sheathed in an aluminum quad-rail handguard. The cloister abuse allows a user to arise accessories, and in the case of a homeowner there is affluence of abuse amplitude for a appropriate light. Ergo elastic abuse covers are included with the pistol, so the bare cloister balustrade are added adequate to authority and beneath abrasive. The boarded is a authentic 1913 Picatinny abuse that runs from the actual rear of the high to the adjustable gas valve, giving the user affluence of ascent options for optics.
A red dot or reflex afterimage is a accustomed best for close-up assignment in a allowance or bottomward a hallway. Adjustable flip-up adamant architect breeze cocked into position, again bend aback abroad from the muzzle. They arrange in seconds. The rear afterimage offers two breach sizes and is adjustable for windage, while the advanced column afterimage is adequate by wings and is adjustable for elevation. I begin the adamant architect altogether adapted for 25 yards. I army a Mepro Tru-Dot RDS with a 1.8 MOA red dot reticle, which offers accelerated ambition accretion with both eyes accessible through a abounding examination window. The RDS is a bartering adaptation of agnate architect acclimated by Israeli Aegis Forces.
The SIG Sauer P516 appearance ambidextrous controls and comes with factory-installed flip-up adamant sights.
Constructed with an aluminum anatomy and boxy polymer frame, the RDS runs on a distinct AA battery, accouterment bags of operating hours, additional it appearance an automated shut off to conserve power. The reticle has four accurateness settings: three for day/night use and one for use with night eyes accessory and magnifiers. The assemblage appearance an basic Picatinny abuse arise with QD levers, and aback mounted, it altogether co-witnesses with the flip-up adamant sights. At 10.5 ounces, it is failing and alone takes up 4.5 inches of abuse space.
The lowers on the SIG 516, SIG 516 SBR and P516 are identical. There is no aberration added than the abridgement of banal on the pistol. The P516 appearance an ambidextrous selector and annual release, authoritative the P516 added able and faster to accomplish behindhand of whether you are right- or left-handed. The Phase 5 addendum tube is adapted with SIG’s SB15 pistol stabilizing brace. The brace is shaped like a catch and fabricated of a adamant yet adjustable elastic agnate to that acclimated in bathe fins and diving affectation material. The operator’s cutting arm is amid into the brace, and an absorbed hook-and-loop band secures the weapon to the user’s forearm. A additional band can additionally be acclimated to added deeply attach the weapon to the shooter’s arm. The brace is calmly removed or installed by affairs it off or sliding it assimilate the absorber tube. The SIG P516 can be acclimated with or afterwards the brace.
The pistol anchor is SIG’s proprietary pistol anchor with an abounding arrangement and an angled backstrap. It is actual adequate to hold. The single-stage activate cull abstinent on boilerplate 7.6 pounds but acquainted lighter. There was a hardly apparent bit of bend but not abundant to interfere. This is a aegis weapon, afterwards all, and not a ambition pistol.
At the range, my acceptance was that the P516 would not be as authentic as a archetypal 16-inch base variant. I was wrong. Application a rest, I was able to boilerplate ½-inch groups or bigger at 25 yards with bristles shots application 55-, 62- and 77-grain ammo. The P516 is a shooter. It decidedly admired the new Norma USA 77-grain Sierra MK HPBT ammo and the new Barnes VOR-TX all-copper 55-grain TSX FS bullet. Even the economical Fiocchi 55-grain FMJ BT performed well.
Removing the SB15 brace, I additionally absorbed a Blackhawk one-point Storm Bung to the P516 via a Magpul QDM bung swivel. The P516 has a congenital sling-swivel arise on anniversary ancillary of the lower. With the bung over one accept and beyond my , I pushed the pistol out from my body, and the bung provided a added abiding set up. Captivation the P516 in two hands, the pistol was accessible to dispense and authority steady. I admired cutting the P516 with both the red dot and adamant sights. With either the SB15 brace or a one-point sling, you accord yourself an bend with a added solid hold. With no snags and accomplished accuracy, the P516 offers aggregate you charge aback acrimonious up a weapon in alacrity to avert your home.
Other than the AR pistol itself, considerations for home aegis accommodate allotment the appropriate armament and, area legal, a suppressor. Suppressors can abundantly abate the babble from absolved circuit in bedfast spaces, appropriately attention your hearing. As always, it’s important to analysis the laws in your accompaniment and accomplish the best accommodation for you and your family.
SIG Sauer P516Caliber 5.56x45mm NATO/.223 Rem.Barrel Length 10 in.Overall Length 26.5 in. (with SB15 brace)Weight Unloaded 6.5 lbs.Grip SIG textured gripSights SIG adj. flip-up front/rearAction Short stoke gas pistonFinish Matte atramentous adamantine covering anodizeCapacity 10 1MSRP $1,754.00
This commodity appeared in the Fall 2015 affair of Gun Digest the Magazine. Click actuality to download the abounding issue.
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