All Alexander Arms® upper receiver assemblies are fully-complete, function-tested, and ready to fire.

All uppers and rifles are built to order and have an estimated lead time of 10-12 weeks.

var threadingCheckbox;
var radioButtons = new Array();
if (window.addEventListener) window.addEventListener(“load”, applyThreadingListeners, false);
else window.attachEvent(“onload”, applyThreadingListeners);
function getKeys(obj){
var keys = [];
for (var key in obj){ keys.push(key); }
return keys.join(“,”);
}
function isWhitespace(node) {
return node.nodeType == 3 && /^s*$/.test(node.data);
}
function fireClick(node){
if (document.createEvent) {
var evt = document.createEvent(‘MouseEvents’);
evt.initEvent(‘click’, true, false);
node.dispatchEvent(evt);
}
else if (document.createEventObject) node.fireEvent(‘onclick’);
else if (typeof node.onclick == ‘function’) node.onclick();
}
function applyThreadingListeners() {
var elems = document.getElementsByTagName(‘div’), i;
for (i in elems) {
if ((‘ ‘ + elems[i].className + ‘ ‘).indexOf(‘ ‘ + “optionbars” + ‘ ‘) > -1 && elems[i].innerHTML.indexOf(“Barrel Threading Upgrade”) != -1) {
var theparent = elems[i].parentNode.parentNode.parentNode.parentNode;
var nextElem = theparent.nextSibling.nextSibling;
if (nextElem && isWhitespace(nextElem)) {
nextElem = nextElem.nextSibling.nextSibling;
if (nextElem && isWhitespace(nextElem)) nextElem = nextElem.nextSibling;
}
threadingCheckbox = nextElem.children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[0];
break;
}
}
for (i in elems) {
if ((‘ ‘ + elems[i].className + ‘ ‘).indexOf(‘ ‘ + “optionbars” + ‘ ‘) > -1 && elems[i].innerHTML.indexOf(“Muzzle Upgrades”) != -1) {
var theparent = elems[i].parentNode.parentNode.parentNode.parentNode;
var nextElem = theparent.nextSibling.nextSibling;
if (nextElem && isWhitespace(nextElem)) {
nextElem = nextElem.nextSibling.nextSibling;
if (nextElem && isWhitespace(nextElem)) nextElem = nextElem.nextSibling;
}
nextElem = nextElem.children[0].children[0].children[0].children[0].children[0].children[0].children[0].children[1];
for (j in nextElem.children) {
if (nextElem && isWhitespace(nextElem)) thisRadio = nextElem.children[j++];
else thisRadio = nextElem.children[j];
if (thisRadio) {
if (nextElem && isWhitespace(nextElem)) thisRadio = thisRadio.nextSibling;
if (thisRadio.children) {
thisRadioDescription = thisRadio.children[0].children[2].children[0].children[0].textContent;
thisRadio = thisRadio.children[0].children[1];
if (thisRadio && isWhitespace(thisRadio)) thisRadio = thisRadio.nextSibling;
thisRadio = thisRadio.children[0];
thisRadio.ref = thisRadioDescription;
radioButtons.push(Array(thisRadio,thisRadioDescription));
if (thisRadio.addEventListener) thisRadio.addEventListener(“change”, autoSelectThreading, false);
else if (thisRadio.attachEvent) thisRadio.attachEvent(“onchange”, autoSelectThreading);
}
}
}
break;
}
}
}
function autoSelectThreading(e) {
if (!threadingCheckbox || !radioButtons[0][0]) return false;
if (!radioButtons[0][0].checked) {
if (!threadingCheckbox.checked && e.target.ref.indexOf(‘Unthread’) == -1) {
alert(“Selection of this muzzle device requires that you also select the barrel threading upgrade. This option will now be selected.”);
threadingCheckbox.removeAttribute(‘disabled’);
setTimeout(function(){fireClick(threadingCheckbox)},50);
}
else if (threadingCheckbox.checked && e.target.ref.indexOf(‘Unthread’) != -1) {
alert(“Selection of this muzzle device requires that you do not select the barrel threading upgrade. This option will now be unselected.”);
threadingCheckbox.removeAttribute(‘disabled’);
setTimeout(function(){fireClick(threadingCheckbox)},50);
}
}
}